Indeed there are dramatic differences between ascending and descending colon cancers. They are also dissimilar in their chances of presenting early with sympto

Indeed there are dramatic differences between ascending and descending colon cancers. They are also dissimilar in their chances of presenting early with symptoms making screening less useful vs those that don't present early. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6089587/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6089587/