NCIt synonyms : Neoplasm of the Anus; Anal Tumors; Anal Neoplasms, Benign and Malignant; Anus Neoplasm; Anal Tumor; Tumor of Anus; Neoplasm of Anus; Tumor of the Anus;
NCIt definition : A benign, premalignant, or malignant neoplasm that affects the anal canal or anal
margin.;