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443909 Hereditary nonpolyposis colon cancer

definition

Hereditary nonpolyposis colon cancer (HNPCC) is a cancer-predisposing condition characterized by the development of colorectal cancer not associated with colorectal polyposis, endometrial cancer, and various other cancers (such as malignant epithelial tumor of ovary, gastric, biliary tract, small bowel, and urinary tract cancer) that are frequently diagnosed at an early age.