[Ano-rectal melanoblastoma].
D000368:Aged; D001005:Anus Neoplasms; D006801:Humans; D008297:Male; D008545:Melanoma; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms; D012878:Skin Neoplasms
Mélanoblastome ano-rectal.