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My doctor most often discusses "blood supply." He says: "Well, 'if' any cancer cells remained in my body because of my EPE, surgical margins, Cribriform glands, and left seminal vesicle invasion (no tumor or nodule though), those cancer cells would need "blood supply" to survive, and would die quickly without it, AND...I (the doctor) removed any and all blood supply." BTW..he removed both seminal vesicles, both vas deferens, as well as the prostate. I questioned: "But you say that you left my neuro-vascular bundles intact to help with future sexual function, and the "vascular" part of "neuro-vascular" is in fact blood supply???" I never get quite a clear answer from him after that, so I don't know what blood supply he removed during surgery, but how leaving the neuro-vascular bundle somehow is not the blood supply any remaining cancer cells can access. This is especially true since we know that cancer cells "move"...they "crawl" so to speak. Anyone out there have an answer?
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@rlpostrp
Your doctor simplifies explanation of cancer cells to the point of me questioning either his honesty or his knowledge O-0 !!???
Cancer cells detach and travel through body ( obviously without any blood supply and no, they do not crawl - they can travel long distances) and attach to different places. Once when they attach they form their OWN capillary system and extensions that make connections with blood supply ( process of angiogenesis). They than divide and multiply and form their own colonies (tumors) and happily have all that they need inclooding ability to grow and divide in accelerated manner.
I learned that when I was a biology student, so I have no idea what your doctor is talking about . If his words were true than no BCR would ever happen. All those features that they look for (EPE, PNE, positive margins etc etc ) are considered "high risk" for a reason.