colonp8

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F: There is stenosis of the descending colon.

H: Adult man, 75-years-old, admitted with fresh rectal bleeding

INFO/WWW-LINKS: Colorectal carcinomas are adenocarcinomas which may often arise in pre-existing polyps. About 40% of these carcinomas are located in the rectum, 20-30% in the sigmoid colon, and about 30% in the descending, the transverse and coecum with ascending colon. Colorectal carcinomas spread local, lymphatic and haematogenous - especially - to the liver and the lung.

D: Carcinoma of the descending colon.

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