title: Anal and perianal malignant neoplasms: pathology and treatment.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D002288:Adenocarcinoma, Mucinous / Q000473:pathology; D000293:Adolescent; D000328:Adult; D001005:Anus Neoplasms / Q000473:pathology* / Q000601:surgery*; D002280:Basal Cell Carcinoma / Q000473:pathology; D002281:Carcinoma, Basosquamous / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008545:Melanoma / Q000473:pathology; D008875:Middle Aged; D010145:Paget Disease, Extramammary / Q000473:pathology; D011379:Prognosis; D012509:Sarcoma / Q000473:pathology