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Published on September 16, 2025
25 min read

What I Learned About Proton Radiation When My Dad Got Prostate Cancer

What I Learned About Proton Radiation When My Dad Got Prostate Cancer

Three months ago, my dad called me at work with news I'd been dreading for years. "The biopsy came back positive," he said, his voice steady but tired. "Prostate cancer." At 68, Dad had been putting off that PSA test for two years, and now here we were.

What happened next caught me completely off guard. Instead of surgery or regular radiation like I expected, his doctor started talking about something called proton radiation therapy. "It's like regular radiation, but more precise," she explained. Dad looked at me across the consultation room like I should know what that meant. I didn't have a clue.

That was the beginning of a crash course in prostate cancer treatment that I never wanted to take. Three months later, Dad's doing great - his PSA is down to nearly nothing and he's back to complaining about his golf swing. But what I learned about proton treatment during those months completely changed how I think about cancer care.

The thing nobody tells you is that choosing cancer treatment isn't just about medicine. It's about insurance battles, family schedules, money stress, and trying to make life-or-death decisions with incomplete information. Dad's journey through proton radiation taught me all of that and more.

The Day Everything Changed

Dad's always been the type to research everything to death. When he bought his last car, he read Consumer Reports for three months. So when Dr. Peterson mentioned proton radiation, I knew we were in for some serious homework.

"Why not just do regular radiation?" I asked. Seemed logical enough - prostate cancer, radiation therapy, done. But Dr. Peterson pulled up some diagrams on her computer and started explaining how proton beams work differently than regular X-rays.

"Think of it this way," she said, drawing on a piece of paper. "Regular radiation goes through your whole body like a knife through bread. Protons stop exactly where we want them to, like little explosives that only go off at the target."

Dad perked up at this - he was an engineer before he retired, and the physics made sense to him. "So less damage to everything else?" he asked. Dr. Peterson nodded. "That's the theory. And for your situation, with your enlarged prostate sitting so close to your bladder and bowel, the precision could make a real difference."

But then came the catches. There were only two proton centers within driving distance, both over two hours away. The treatment would take seven weeks of daily appointments. And insurance... well, that was going to be complicated.

Dad looked overwhelmed, which wasn't like him. "I need time to think about this," he said. Dr. Peterson smiled. "Take all the time you need. This isn't an emergency. Most prostate cancers grow slowly."

That night, Dad and I sat in his kitchen with his laptop, trying to make sense of medical websites and treatment comparisons. "I don't even know what questions to ask," he admitted. That made two of us.

Down the Research Rabbit Hole

If you've never had to research cancer treatments for someone you love, let me save you some trouble: it's a nightmare. Every website contradicts the last one. Patient forums are full of horror stories and miracle cures. Medical studies are written in a language that might as well be ancient Greek.

Dad threw himself into it anyway. For two weeks, he read everything he could find about proton radiation for prostate cancer. I helped when I could, but mostly I watched him disappear into this world of Gleason scores and dose distributions and five-year survival rates.

What we learned wasn't exactly what the proton center websites led us to expect. Yes, proton radiation was more precise. Yes, it potentially caused fewer side effects. But the cure rates? Pretty much identical to regular radiation. The side effect improvements? Real, but smaller than we'd hoped.

The biggest study we found followed over a thousand men for five years. Half got proton treatment, half got regular radiation. Both groups were cured at almost exactly the same rate - around 95%. The proton group had fewer bowel problems during treatment, but the difference was maybe 10-15%.

"So why would anyone choose the more complicated option?" I asked Dad one evening after another marathon research session.

He looked up from his stack of printed articles. "Because maybe that 10-15% includes me. And because I'm 68 years old and want to play golf for another 20 years without worrying about radiation damage to my bowel."

That's when I realized this wasn't just about medical statistics. This was about Dad trying to control whatever he could in a situation where he felt powerless.

The Insurance Wrestling Match

Nobody warned us about the insurance nightmare. Dad's been with the same company for 15 years, never had a major claim, pays his premiums on time. We figured approval would be routine.

Wrong.

The first letter came back two weeks after Dr. Peterson submitted the request: "Coverage denied. Conventional radiation therapy provides equivalent clinical outcomes at significantly lower cost."

Dad stared at that letter for a full minute before he spoke. "Equivalent clinical outcomes," he repeated. "They make it sound like we're choosing between two flavors of ice cream."

His oncologist's office helped us file an appeal. More paperwork, more waiting, more stress. Meanwhile, Dad's PSA was slowly climbing, and every week felt like borrowed time.

The second denial came with more detailed language about "experimental treatments" and "lack of proven superiority." Dad was furious. "Experimental? There are medical centers all over the country doing this."

That's when we learned about the peer-to-peer review process. Dr. Peterson would have to get on the phone with one of the insurance company's doctors and personally argue Dad's case. It took three weeks to schedule that call.

The night before the peer review, Dad couldn't sleep. "What if they say no again?" he asked. We'd already looked into paying out of pocket - $120,000, money Dad didn't have without touching his retirement savings.

The call lasted 45 minutes. Dr. Peterson laid out Dad's case: his age, his enlarged prostate, the proximity to his bowel, his active lifestyle and long life expectancy. The insurance doctor asked technical questions about dose distributions and normal tissue constraints.

Approval came three days later. Dad cried when he got the phone call. I'd never seen him cry before.

Finding Our Way to Treatment

The nearest proton center was in Chicago, 140 miles from Dad's house in suburban Milwaukee. Not impossible, but definitely not convenient for seven weeks of daily treatments.

We drove down to visit the facility on a Tuesday morning in March. The building looked like a spaceship had landed in the middle of a medical complex - all concrete and steel and high-tech architecture. Inside, it was even more impressive and intimidating.

The treatment rooms were built like bunkers, with walls several feet thick. The proton machine itself was massive, maybe two stories tall, with a treatment table that could rotate in any direction. It looked like something NASA would build.

"First time seeing a proton system?" asked Sarah, our patient coordinator. "It takes some getting used to. But don't let the technology intimidate you. The actual treatment is pretty routine once you get started."

She walked us through the whole process: treatment planning, daily positioning, what to expect during the seven-week course. Then came the practical stuff - parking, scheduling, local housing options.

That last part was what we hadn't really thought through. Daily treatments for seven weeks meant either driving 280 miles round trip every day or finding somewhere for Dad to stay near the center.

"A lot of our patients rent short-term apartments," Sarah explained. "There are several complexes nearby that work with cancer patients. Usually runs about $2,000-2,500 a month for a furnished one-bedroom."

Dad and I looked at each other. More money we hadn't budgeted for. More complications we hadn't anticipated.

"Or," Sarah continued, "some patients make the drive daily. It's about an hour and twenty minutes each way in normal traffic. Long days, but some people prefer sleeping in their own bed."

We spent the drive home weighing options. The apartment meant Dad would be alone in a strange city for almost two months. The daily drive meant nearly three hours in the car every day, which seemed exhausting for someone going through cancer treatment.

"What do you want to do?" I asked as we pulled into his driveway.

Dad was quiet for a moment. "I think I want to try the driving. If it gets to be too much, we can look into the apartment option."

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The Planning Process

Two weeks later, we were back in Chicago for what they called the "simulation session." This was where they'd figure out exactly how to position Dad and deliver the radiation.

The technicians were incredibly thorough. They made a custom foam cradle that molded perfectly to Dad's body position. They gave him three tiny tattoos - literally just dots of ink - to help with positioning. They did CT scans, measured angles, checked and double-checked everything.

"We're creating a treatment plan that's completely unique to your father's anatomy," explained Dr. Kim, the radiation oncologist. "Every beam angle, every dose level, it's all calculated specifically for him."

The planning process took about two weeks. During that time, a team of medical physicists and dosimetrists worked with Dr. Kim to optimize Dad's treatment plan. They showed us computer images of how the radiation dose would be distributed through Dad's body - concentrated exactly on the prostate, dropping off sharply at the edges.

"With conventional radiation, we'd see dose scattered throughout this whole region," Dr. Kim pointed to the screen. "With protons, it's much more contained. That's the theoretical advantage."

I asked the question that had been bothering me: "But his cancer cure rate would be the same either way?"

Dr. Kim nodded. "The cure rates are essentially identical. We're not choosing proton therapy because it kills cancer better. We're choosing it because it might spare more healthy tissue and reduce the risk of long-term side effects."

Dad appreciated the honesty. After weeks of reading promotional materials that made proton therapy sound revolutionary, it was refreshing to hear a doctor acknowledge the limitations.

The Daily Grind

Treatment started on a Monday morning in April. Dad's alarm went off at 5:30 AM for the drive to Chicago. His appointment was at 9:00, which meant leaving by 7:30 to account for traffic.

The first week was the hardest, just getting used to the routine. Dad would check in, change into a hospital gown, and get positioned on the treatment table. The setup process took about 20 minutes - making sure everything was aligned exactly with his planning CT scan.

The actual treatment took another 20-30 minutes. Dad couldn't feel anything during the radiation delivery. He'd just lie there listening to music while the machine hummed and clicked around him.

"It's not scary once you get used to it," he told me after the first week. "Just boring. And the drive is more tiring than the treatment."

By week three, Dad had the routine down. Leave at 7:30, treatment at 9:00, back home by 11:30 unless there was traffic. He'd usually take a nap in the afternoon and then try to maintain some normal activities.

That's when the side effects started showing up. Nothing dramatic - just increasing fatigue and some urinary urgency. Dad needed to pee more often, especially at night. Sometimes there was a burning sensation, like a mild urinary tract infection.

"Is this normal?" he asked during one of his weekly check-ins with Dr. Kim.

"Completely normal," she assured him. "The symptoms typically peak around week 6 or 7, then gradually improve over the next few months. Most men find them manageable."

Week five was probably the worst. Dad was getting up three times a night to urinate, felt tired all the time, and was generally grumpy about the whole situation. The two-and-a-half-hour daily commute was wearing him down.

"Maybe we should look into that apartment," I suggested during one of our phone calls.

"I'm not quitting now," Dad said stubbornly. "Only two more weeks."

The Support System

One thing that surprised both of us was the community that developed among the patients. Every morning, there were the same faces in the waiting room - men going through treatment, some with wives or adult children, others managing alone.

Dad started talking to some of the other patients, comparing notes on side effects and coping strategies. There was Bob, a retired teacher from Wisconsin who was staying in one of the nearby apartments. Jim, a farmer from Iowa who was making an even longer drive than Dad. Carl, a businessman from Indiana whose company had arranged temporary housing.

They all had different reasons for choosing proton treatment, different insurance situations, different side effects. But they were all in it together, showing up every morning, dealing with the same uncertainty about whether the treatment was working.

"It helps to talk to guys going through the same thing," Dad told me. "Bob's having the same sleep problems I am. Jim's wife is worried about the same stuff you are. Makes you feel less alone."

That informal support group continued even after treatment ended. They started a group text chain to share PSA results and check in on each other. Six months later, they still stay in touch.

My role during those seven weeks was mostly just being available. Dad's independent by nature and didn't want a lot of fussing, but he appreciated knowing I was there if he needed anything. I drove with him to a couple of appointments, helped with insurance paperwork, and listened when he needed to talk through his worries.

Mom had died five years earlier, so Dad was navigating this largely on his own. My sister lives in California and couldn't be as hands-on, but she called regularly and helped research side effect management strategies.

The hardest part for me was the helplessness. I couldn't make the cancer go away, couldn't make the treatment easier, couldn't guarantee everything would work out fine. All I could do was be present and supportive while Dad dealt with the medical stuff.

Dealing with Side Effects

The urinary symptoms were definitely the most bothersome side effects during Dad's proton treatment. By week six, he was getting up four times a night and constantly aware of needing to find bathrooms during the day.

Dr. Kim prescribed some medications that helped with the urgency and burning, but the frequency was something Dad just had to live with. "It's temporary," she kept reminding him. "Most men see significant improvement within 2-3 months after treatment."

The fatigue was more subtle but equally frustrating for someone as active as Dad. He'd always been the type to work in his garden for hours or play 18 holes of golf without getting tired. During treatment, he needed naps and felt worn out after minimal activity.

"I feel like I'm 90 years old," he complained one afternoon after falling asleep in his recliner while watching a Cubs game.

"You're getting radiation treatment for cancer," I reminded him. "You're supposed to be tired."

The bowel symptoms that everyone warned us about never really materialized, which was one of the supposed advantages of proton therapy. Dad had maybe a week of loose stools around week four, but nothing that interfered with his daily life.

Sexual function was harder to assess during treatment. Dr. Kim had warned that radiation effects on sexual function often develop gradually over months or even years. "Don't judge anything based on how you feel during treatment," she advised. "Give it at least six months before you evaluate where things stand."

The Waiting Game

Dad's last treatment was on a Friday in late May. I drove down to Chicago with him for that final session, which felt like it deserved some kind of ceremony. Instead, it was just like every other day - check in, get positioned, lie still for 30 minutes, then leave.

"That's it?" Dad asked the technician.

"That's it," she smiled. "See you in three months for your follow-up appointment."

The drive home was quiet. Dad seemed almost anticlimactic after seven weeks of daily treatments. "I thought I'd feel more relieved," he said. "Instead, I just feel... uncertain. Like, did it work?"

That uncertainty was the hardest part of the whole experience. Unlike surgery, where they remove something and test it, or chemotherapy, where tumor markers might change quickly, radiation therapy is more of a waiting game.

Dad's first PSA test was scheduled for three months after treatment. In the meantime, all we could do was wait and hope the side effects would improve.

They did, gradually. The urinary frequency started getting better around week 10 after treatment. The fatigue lifted more slowly, but by month three, Dad was back to playing golf and working in his garden.

The big test came in August - PSA results from his three-month follow-up. Dad had been anxious about that appointment for weeks.

The call came on a Tuesday afternoon. "1.2," Dad said when I answered the phone. "Down from 6.8 before treatment."

Dr. Kim was pleased with the results. "That's exactly what we want to see," she told Dad during his follow-up visit. "The PSA will probably continue dropping over the next year. We'll check it again in three months."

Six Months Later: The Real Results

As I write this, Dad's six months out from finishing proton radiation therapy. His PSA dropped to 0.8 at his last test, which Dr. Kim says indicates excellent cancer control. The urinary symptoms have completely resolved. His energy is back to normal. Sexual function seems to be about what it was before treatment, though Dad's not exactly chatty on that subject.

Would he make the same choice again? "Absolutely," he says without hesitation. "The treatment worked, the side effects were manageable, and I feel confident that we made the right decision."

But he's honest about the uncertainties. "I'll never know if regular radiation would have worked just as well with similar side effects. But I researched everything, talked to multiple doctors, and chose the option that gave me the most confidence. That's all you can do."

The financial impact was significant but manageable. Between Dad's additional out-of-pocket costs and all the driving expenses, proton treatment probably cost us about $8,000 more than conventional radiation would have. Not pocket change, but worth it for Dad's peace of mind.

The time commitment was also substantial - not just the seven weeks of daily treatments, but all the planning appointments, insurance battles, and research beforehand. Dad figures he spent about 100 hours total dealing with proton therapy logistics, compared to maybe 30 hours for conventional radiation.

"Was it worth the extra time and money?" I asked him recently.

Dad thought about it for a moment. "For me, yes. I'm 68 years old and hopefully have 15-20 good years left. If proton therapy gives me even a slightly better chance of avoiding long-term complications, it was worth the hassle."

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What We Learned About Making This Decision

Going through this experience with Dad taught me a lot about how families navigate cancer treatment decisions. Here's what I wish we'd known going in:

The medical differences between treatments are often smaller than the marketing materials suggest. Proton therapy isn't dramatically better than conventional radiation for most men with prostate cancer. Both work very well. The choice often comes down to personal factors more than medical ones.

Insurance battles are real and can be incredibly stressful. Don't assume your insurance will cover the most expensive treatment option just because a doctor recommends it. Start the approval process early and be prepared to advocate for yourself.

The practical considerations - travel, time off work, temporary housing, family logistics - can be just as important as the medical factors. Make sure you fully understand what you're committing to beyond just the treatment itself.

Second opinions are valuable, but get them from actual doctors, not internet forums. We consulted with two different radiation oncologists and got slightly different perspectives that helped inform Dad's decision.

Family support matters enormously, but don't try to make the decision for your loved one. Dad appreciated my help with research and logistics, but ultimately it was his body and his choice. My job was to support whatever decision he made.

The emotional aspects are as challenging as the medical ones. Dad struggled with fear, uncertainty, and loss of control throughout the process. Having people to talk to - family, other patients, counselors at the cancer center - made a real difference.

The Bigger Picture

Dad's prostate cancer experience opened my eyes to how complicated modern cancer care has become. The good news is that we have more treatment options than ever before. The challenging news is that having options means making difficult decisions with incomplete information.

Proton radiation therapy represents both the promise and the complexity of modern medicine. It's genuinely more precise than conventional radiation. It potentially causes fewer side effects. The technology is impressive. But it's also expensive, less accessible, and the real-world benefits are often modest.

For some patients - younger men, those with anatomical challenges, people who've had previous radiation - proton therapy might offer meaningful advantages. For others, conventional radiation is probably just as good and much more convenient.

The key is making informed decisions based on individual circumstances rather than getting caught up in technology hype or cost considerations alone. Dad's choice worked out well for him, but it might not be the right choice for everyone.

Looking Forward

Dad's back to his normal routine now - golf twice a week, volunteer work at the food bank, dinner with his neighbors every Friday night. The prostate cancer episode feels like something that happened to someone else, which is exactly how it should be.

His next PSA test is in February. We don't talk about it much, but I know he thinks about it. The fear of recurrence never completely goes away, even with excellent results.

But Dad's approach to that uncertainty has impressed me. "I did everything I could," he tells me when the subject comes up. "I researched my options, found good doctors, and made informed decisions. Whatever happens next is out of my control."

That perspective has influenced how I think about a lot of things in my own life. Sometimes you do your homework, make the best decision you can with the information available, and then move forward without second-guessing yourself.

Dad's prostate cancer journey taught me that choosing cancer treatment isn't just about medicine - it's about values, priorities, family dynamics, financial realities, and personal psychology. The "best" treatment is the one that fits your individual situation and gives you confidence in your care.

Six months later, Dad's cancer-free and back to complaining about his putting game. In the end, that's what really matters - not whether he chose the most advanced treatment or the cheapest one, but whether he chose something that worked and allowed him to get back to living his life.

The prostate cancer experience was scary and stressful and expensive and time-consuming. It was also manageable, thanks to good medical care, family support, and Dad's determination to research his options and make informed decisions.

For other families facing similar decisions, my advice is simple: educate yourselves about the options, find doctors you trust, consider all the practical factors along with the medical ones, and remember that there are usually several good paths forward. The goal isn't to find the perfect treatment - it's to find one that works and that you can live with, literally and figuratively.

Dad chose proton radiation and it worked out great. But I'm convinced he would have done just as well with conventional radiation, surgery, or even active surveillance if those had been better fits for his situation and preferences.

The important thing is that he took control of his situation, made informed decisions, and beat his cancer. Everything else is just details.