title: Malignant melanoma of ano-rectum (a case report).
mesh_terms: D001005:Anus Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008545:Melanoma / Q000175:diagnosis*; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000556:secondary