title: Malignant melanoma of the rectum in a Negro man: report of a case and review of the literature.
mesh_terms: D001741:Black or African American; D001344:Autopsy; D001706:Biopsy; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology*; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms / Q000473:pathology*; D012007:Rectum / Q000473:pathology