What is most commonly involved in carcinoma colon -
Ans. is b' i.e., None > Rectosigmoid colonColon cancer o Viually 98% of all concers in the large intesting are adenocarcinoms.o Peak age of presentation is 60-80 years.Overall, adenocarcinoma are distributed approximately equally over the entire length of colon Robbins 8th/e p 824 Note: according to 7th/e of Robbins answer was recotosigmoid. Information given in 7th/e of Robbins were: o The most common site is rectosigmoido The distribution is as follows:?Rectosigmoid colon --> 55% Transverse colon --> 11%Cecum /ascending colon --> 22% Discending colon --> 6%other sites
Caecum
Rectosigtmoid colon
Transverse colon
Ascending colon