Melanosarcoma, malignant melanoma, of the rectosigmoid; report of a unique case.
D012809:Colon, Sigmoid; D006801:Humans; D008545:Melanoma; D009369:Neoplasms; D012004:Rectal Neoplasms; D012007:Rectum; D012509:Sarcoma; D012811:Sigmoid Neoplasms
RECTUM/tumors; SARCOMA/melanosarcoma; SIGMOID/tumors; TUMORS/melanoma