Colon polyps and "yellow chemotherapy" – looking for advice and personal experiences

So, here is the situation. A woman in her mid-fifties was diagnosed with colon polyps. After a series of tests, she had to go in for emergency surgery, where they ended up removing about half a foot of the large intestine in several spots. Even though the doctors initially mentioned it would be a fairly routine procedure—since polyps are somewhat common for people in that age group—it turned out to be much more complicated than they expected.

Now, even though the surgery went well and her recovery has been relatively smooth, they are sending her for what they call "yellow chemotherapy."

What does that actually entail? 😕 I have tried searching on WebMD and Google, but I haven't been able to find anything specific (I don't exactly have a medical encyclopedia handy, I guess). At the hospital, they told her this isn't "traditional" chemotherapy—the kind where you lose your hair and things like that—and they said it's being given as a preventative measure.

Does this mean there is actually some kind of intestinal tumor present that the doctors aren't telling her about? Or is it truly just a preventative step? I wonder if anyone here knows more about this. I would really appreciate any insight. 🙂

It’s most likely chemotherapy involving Fluorouracil (5FU), which is standard protocol for colon cancer—typically administered after surgery to help prevent or tackle any potential metastases.

This treatment isn't nearly as aggressive as something like Cisplatin, which almost always guarantees nausea. In all likelihood, the patient won't experience much in the way of side effects from this particular regimen.
It seems that in the US, Fluorouracil + Levamizol is a common combination used in certain cases—though I suppose that ultimately comes down to the discretion of the individual oncologist.

5FU and Oxaliplatin aren't yellow! They actually have a totally normal color—like, they're completely clear

What would that actually imply? Like, they’d be giving her the therapy as a preventative measure?

I’m honestly not quite sure why everyone refers to this specific therapy as "yellow." I guess maybe it’s because of the color of the medication itself, or perhaps it’s just a nickname that stuck for some other reason entirely.

It looks like there's been a fair amount of reading done here, so... come on, folks, please share your thoughts. 😉

I’m speaking from firsthand experience here. A relative of mine was diagnosed with cancer that developed from a polyp, which required the removal of about half a foot of her colon. They put her on a course of Fluorouracil + Levamizol—essentially a preventative measure used when polyps or tumors are removed. She didn't suffer any side effects at all; no hair loss, no nausea, nothing. She’s doing great now. Her tests are clear. She’s finished the chemo portion, though she still has to take Levamizol on a regular, ongoing schedule.
As for why people call it "yellow chemotherapy," I haven't the slightest clue, but I doubt it has anything to do with the actual color of the medication.

Thanos, Michael. 🙂 So, I heard your cousin was diagnosed with cancer. 😢 They told me mine was just some kind of preventative treatment, though I guess I'm not entirely sure about that myself... maybe I'm misinterpreting things. 🙄 Anyway, I appreciate you getting back to me. I'll be keeping my fingers crossed for your cousin and hoping everything turns out alright. 👍 🙂