id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-026025-xqj877en	PETRAS, ROBERT E.	Large Intestine (Colon)	2009-10-30		.txt	text/plain	48309	3034	42	27, 28 These guidelines consider colonoscopic polypectomy definitive treatment for a patient with a malignant polyp if the following criteria are fulfilled: (1) the polyp is considered completely excised at endoscopy, (2) the specimen is properly processed by the pathology laboratory, (3) the cancer is not poorly differentiated, (4) no histologic evidence of vascular or lymphatic involvement exists, and (5) the resection margin is not involved by carcinoma. Pathologic features of colorectal cancer that suggest MSI/Lynch's syndrome include right-sided location, synchronous or metachronous large bowel cancers, large and bulky polypoid tumors with circumscribed pushing margins, tumors showing prominent lymphoid infiltrate, and cancers of poor differentiation (medullary or undifferentiated carcinoma) or mucinous and signet ring cell histologic pattern (Figs. [352] [353] [354] [355] The trauma-type histologic features can be seen in the solitary rectal ulcer syndrome, localized colitis cystica profunda, inflammatory cloacogenic polyp, the mucosa adjacent to orifices of colonic diverticula, 356 and inflammatory cap polyposis 357 and are frequent findings adjacent to neoplasia and in the vicinity of the ileocecal valve.	./cache/cord-026025-xqj877en.txt	./txt/cord-026025-xqj877en.txt