title: [Malignant melanoma of the anal canal].
mesh_terms: D001005:Anus Neoplasms / Q000401:mortality / Q000601:surgery*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000401:mortality / Q000601:surgery*; D008875:Middle Aged
vernacular_title: Czerniak złośliwy kanału odbytu.