Cancer of the Rectum download eBook. Rectal squamous cell carcinoma (SCC) is a rare tumor. The incidence of this malignancy has been reported to be 0.25 to 1 per 1000 colorectal Adenocarcinoma of the rectum is cancer in the epithelium or lining of the large intestine. It is hereditary and associated with ulcerative colitis. Colostomy for rectal cancer. Less often, a person with rectal cancer may need to have a colostomy. This is a surgical opening, or stoma, through which the colon Le cancer du rectum a longtemps