Source:http://linkedlifedata.com/resource/umls/id/C0003463
MSH: Tumors or cancer of the ANAL CANAL.,NCI: A benign or malignant neoplasm that affects the anal canal or anal margin. Representative examples of benign neoplasms include squamous papilloma and papillary hidradenoma. Representative examples of malignant neoplasms include carcinoma, lymphoma, and melanoma.