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comparing treatment centers - what metrics actually matter when youre stage 2

Patient · · 62 views
So I'm about six weeks out from diagnosis now and I'm at the point where I need to pick a center for HIPEC surgery. I've got three options in reasonable driving distance from Cleveland and I'm trying to figure out what actually separates a good program from a mediocre one beyond what they put on their websites.

I started pulling some basic stats. One center claims a 65% five year survival rate for peritoneal meso, another says their median overall survival is 36 months, and the third just lists their surgical volume without survival data attached. I found a 2023 study in Cancer Epidemiology that broke down outcomes by surgeon experience and it showed pretty clearly that centers doing 15+ cases per year had better results than centers doing fewer. But how do I actually verify that number when they call me.

I'm also trying to understand what the difference is between their pathology review process and whether they use frozen sections during surgery. I called one center and their nurse coordinator actually knew what I was asking about when I mentioned intraoperative cytology, which felt like a good sign. The other two transferred me around a bit.

Has anyone actually sat down with a treatment center and asked them specific questions about their HIPEC protocol or their approach to cytoreduction. Like what percentage of their patients actually get complete cytoreduction versus partial. I've got my symptom journal from the past eight weeks and I'm trying to be really thorough about this decision because it's not something you just redo if you pick wrong the first time.

What metrics did people actually look at when they were making this choice.

11 Replies

Family
I'm gonna be honest, I'm still in the middle of all this myself so I'm not gonna pretend I have it figured out. But what you're doing right now, like actually digging into those numbers, that's the stuff that matters. My mom's at stage III and we're looking at centers too and I realized pretty quick that the ones who get annoyed when you ask detailed questions are probably not the ones you want.

The nurse coordinator thing you mentioned about intraoperative cytology, yeah that stood out to me too when we called around. Like it's such a specific term and if they know it without you having to explain it three times, they're probably dealing with this stuff constantly. We called MD Anderson back in September right after diagnosis and they answered every single thing we threw at them. No transfers, no "let me get back to you on that." The coordinator literally walked us through their protocol on the phone.

One thing nobody told me to ask about was their palliative care team and whether they integrate that from day one or if it's like a plan B thing. That felt important because this whole thing is exhausting and you want people who get that you're not just a surgery, you know? I'm teaching full time and trying to help my mom and some days I just need someone to say "yeah this sucks and here's what we can do about it" instead of just statistics.

The volume thing you found is real. We asked straight up how many HIPEC cases they do per year and didn't let them dodge it.
Medical ✓ Expert Response
The nurse coordinator test you described is actually something I tell people in our support groups to do intentionally. When you call back, ask specifically about their multidisciplinary tumor board, whether they present peritoneal cases weekly or just monthly matters more than people realize.

Something I've seen come up repeatedly in my work is that the cytoreduction completeness rate you mentioned is genuinely the number to press on. A 2019 paper in the Annals of Surgical Oncology found that CC-0 resection correlated with survival outcomes far more strongly than HIPEC drug protocol alone. So when you ask about it, you want the actual percentage of their peritoneal meso patients who achieved CC-0, not combined CC-0 and CC-1.

One thing nobody's really mentioned yet... your symptom journal is a real asset here. Bring it to the in-person consult at whichever center makes the first cut. How they respond to that level of detail tells you something about how they'll treat you for the next several years, not just the surgery itself.

Talk to your own team about any of the clinical specifics, but from a psychosocial standpoint, the emotional fit with the care team is something patients consistently underestimate until they're six months post-op wishing they'd trusted their gut in the first place.
3 found this helpful
Medical ✓ Expert Response
The nurse coordinator test you ran is genuinely one of the better filters I've seen patients use. When someone on the phone already knows what intraoperative cytology means without putting you on hold, that tells you something real about the culture of that program.

On your survival stat comparison, those three centers are essentially speaking three different languages and you can't compare them directly. Median overall survival of 36 months and a 65% five-year rate could describe the same patient population or wildly different ones depending on stage mix, histology, and whether they're counting from diagnosis or from surgery. The 2023 Cancer Epidemiology paper you found is solid, and the 15+ cases per year threshold holds up across several other analyses including the Sugarbaker group's long-term data out of Washington. When you call them, asking specifically how many HIPEC cases their lead surgeon personally performed in 2023 is more informative than what the center did as a whole.

The cytoreduction completeness question is exactly right. The CC score (completeness of cytoreduction, where CC-0 means no visible residual disease) is probably the single strongest predictor of long-term outcome in peritoneal meso. Any program worth its reputation should be able to tell you their CC-0 rate without hesitation. If they can't, or if they conflate CC-0 and CC-1 in their answer, that's information.

One thing I'd add, having seen this from the clinical side: ask whether they have a dedicated tumor board that includes a pathologist who specializes specifically in mesothelioma, not just general thoracic or GI tumors. Peritoneal mesothelioma diagnosis can genuinely be tricky on pathology and misclassification happens at lower-volume centers more than people realize.

Please talk to your own oncologist about how to interpret whatever data these centers give you, because some of those numbers need context specific to your case.
3 found this helpful
Patient
I'm doing exactly what you're doing right now, so this timing is kind of surreal. I got my diagnosis in November and I've been in research mode ever since. The three centers thing resonates because I'm working through the same decision.

On the survival statistics, I called the American Cancer Society back in early December and they actually walked me through how to interpret those numbers. The 65% five year rate versus the 36 month median are measuring different things. One's looking at a cohort and the other's just the middle point, so they're not directly comparable. What I've been doing is asking each center specifically: what percentage of your stage II peritoneal patients are you seeing at five years, and in what year was that cohort treated. The treatment protocols have shifted enough that older data gets skewed. One of my options pulled data from 2018-2019 which frankly felt outdated.

The surgical volume thing you found in that Cancer Epidemiology study, I verified it at two of my three centers by asking their administrative coordinator directly: "How many complete cytoreduction cases did your surgical team perform in 2024?" They have that number. It's in their records. The center that hemmed and hawed about it went lower on my list.

On the HIPEC protocol specifics, I actually asked to review their operative report template before committing. Not the actual reports, just the blank form they use. You can tell a lot from what they're documenting. I asked about peritoneal cancer index scoring and whether they're doing hyperthermic intraperitoneal chemotherapy in open or closed technique. The center where the nurse coordinator knew what intraoperative cytology was? Yeah, that matters. It means they're not reading off a script.

One thing nobody told me to ask about was their anesthesia team's experience with these cases. I asked and it turned out one center rotates their anesthesiologists while another has the same two people who've done 200+ HIPEC cases. Different animal entirely.

I'm keeping all this in a spreadsheet now. Dates, names, specific answers. December 15th I called one place and they couldn't tell me their complete cytoreduction rate. That's a red flag you can actually document.
Medical ✓ Expert Response
The Cancer Epidemiology study you found is solid and you're asking exactly the right questions. The 15+ cases per year threshold for HIPEC volume is real and it matters, but the number I'd push harder on when you call is completeness of cytoreduction rate, specifically what percentage of their patients achieve CC-0 (meaning no visible residual tumor) versus CC-1 or higher. The Sugarbaker data going back to the early 2000s showed CC-0 correlates with the strongest survival outcomes in peritoneal meso, and any program worth its salt should be able to give you that number without hesitating.

The nurse coordinator knowing what intraoperative cytology meant is actually a meaningful signal. I've seen that pattern hold up in practice, where the responsiveness of the care coordination team reflects something real about how the whole program operates.

A few other things I'd ask directly: what is their multidisciplinary tumor board schedule, meaning how often does your case actually get reviewed by surgical oncology, medical oncology, radiology, and pathology together before they finalize a plan. And ask whether they're an active site for any HIPEC-related trials right now. The NCI mesothelioma consortium sites tend to have the deepest institutional experience with this specific histology.

The survival statistics you're comparing are genuinely hard to interpret without knowing the case mix. A 65% five year survival number at one center might reflect patient selection as much as surgical quality.

Your instinct about this decision being one-directional is correct. Definitely talk through all of this with your own oncologist too, especially if they have referral relationships with any of the three programs.
3 found this helpful
Medical ✓ Expert Response
What you're doing here is genuinely impressive, and I don't say that lightly. Six weeks out and you're already asking about intraoperative cytology and cytoreduction completeness rates. That's the right level of rigor for this decision.

The nurse coordinator response you described is actually one of the most telling signals I've seen families use. When I worked with patients at a peritoneal disease program in 2019, we'd watch people call centers and ask specifically about their CC score distribution, meaning what percentage of their cases come out CC-0 versus CC-1 or higher. The centers with strong programs could answer that in the first call. The ones that had to "get back to you" often couldn't produce the number at all.

The volume stat you found in that Cancer Epidemiology study tracks with what the broader literature shows. Fifteen cases per year is really a floor, not a ceiling. Some of the strongest programs I know of are doing 30 to 40 HIPEC cases annually specifically for peritoneal mesothelioma, not just colorectal or ovarian cases lumped in together. That distinction matters, so it's worth asking them to break down their volume by histology.

The symptom journal you've been keeping, honestly that kind of structured self-documentation also helps in your consultations because it gives surgeons a clearer picture of your functional baseline, which factors into cytoreduction planning.

For persistent anxiety around this decision, talking with an oncology social worker at whichever center you choose can really help process what's coming. It's a lot to carry.
2 found this helpful
Patient
I really appreciate you saying that, and honestly it's reassuring to hear from someone who's actually worked in a peritoneal program. That detail about the nurse coordinator knowing what I meant by intraoperative cytology has been stuck with me because it suggested they get these calls regularly enough to have educated staff ready to answer. The other two centers felt like I was asking them to translate something foreign.

When you mention CC score distribution, that's exactly the kind of granular data I've been trying to figure out how to ask for without sounding like I'm interrogating them. Did the centers you worked with actually share those numbers when patients pushed, or is that something they tend to keep closer to the vest? I'm trying to build out a comparison sheet with actual metrics but I keep hitting walls on what's publicly available versus what you have to specifically request.
Family
You're asking exactly the right questions and honestly that level of detail is what separates people who get good outcomes from people who don't. My dad didn't have peritoneal meso, he had pleural, so different surgery entirely but the principle of center selection was the same and I wish I'd been as methodical as you're being.

A couple things from what I've seen working in healthcare and then managing my dad's care. That nurse coordinator knowing about intraoperative cytology without hesitation is actually a big deal. It means they're not just running a surgery line, they're thinking about staging and completeness of treatment. When we were evaluating centers for my dad back in March, the places where staff had to ask me to repeat myself or seemed confused about staging nuances were the ones we crossed off pretty quickly.

On the survival statistics specifically, those numbers can be presented in ways that make things look better than they are. One center might report median OS from diagnosis, another from surgery date, and that shifts everything. Ask them explicitly: is this from date of diagnosis or date of surgical intervention, and what's their actual complete cytoreduction rate. If they won't give you the complete cyto percentage that's a red flag because that's literally the biggest predictor of outcome in peritoneal cases.

The surgical volume thing you mentioned from that study is real. We called three different places and asked what their annual HIPEC volume was and one of them got defensive about it which told me everything. The ones doing 15+ cases have the rhythm down, they know how to manage complications, their teams aren't learning on your dad's case.

One thing nobody told me to ask: what's their plan if they get in there and find more disease than imaging showed. Like do they proceed with full cyto anyway or do they bail out. That conversation matters because it shows whether they're committed to aggressive treatment or playing it safe. We actually asked that and got very different answers.

The fact that you have your symptom journal and you're thinking about this at 6 weeks post-diagnosis is honestly impressive. Most people are just trying to process the diagnosis. You're already ahead on this. Push them for those specific metrics and if anyone seems annoyed by the questions, that's your answer about whether they're the right fit.
Veteran
got my pleurectomy at a high-volume center and the difference showed in their prep work and follow-up, so you're on the right track asking those questions. that nurse coordinator knowing her stuff matters more than you'd think because it means the whole team is dialed in. ask them straight up what their complication rates are and don't settle for vague answers.
Patient
That's really helpful to hear, honestly. The nurse coordinator thing stuck with me too because when she started talking about their staging protocol without me having to explain it, I felt like I was actually talking to someone who does this work regularly instead than reading from a script. Did they give you their complication rates pretty easily or did you have to push for it? I'm wondering if asking for that data upfront is going to make me seem like the difficult patient or if these centers are actually used to that kind of question.
Family
Okay so I haven't been through this myself but watching my mom go through the center selection process these past couple months has been... intense. She's stage III so different situation but some of what you're asking about is exactly what we went through in August.

The thing that actually made the biggest difference for us was calling and asking to speak with someone who'd had the surgery at that center. Like not just the coordinator but an actual patient or family member they could connect us with. One place was super willing to do it, gave us this woman's number who'd had HIPEC about 18 months prior. Hearing her talk about what the recovery actually looked like, how the surgeon communicated with her family during the procedure, whether they felt rushed or like they were being treated like a real person and not just a case number... that told us more than any survival statistic could.

The frozen section thing you mentioned, that's smart to ask about. When you call back ask them point blank how many steps they have in their cytoreduction protocol and whether they do staged procedures or go all in on day one. The center we chose actually walked us through exactly what they'd be looking for during surgery and what would change their approach if they found certain things. That kind of specificity felt honest to me.

And yeah you're totally right that you can't redo this. I'm a teacher and I've been trying to keep some kind of normal routine but honestly I've spent more time on my mom's case than my lesson plans some weeks and I don't even feel bad about it. This matters more. Your symptom journal is great because when you sit down with these surgeons you'll have concrete information instead of just "I feel bad"

Which centers are you looking at if you don't mind saying?

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