Anal neurofibrosarcoma treated with fast neutron irradiation.
D001005:Anus Neoplasms / Q000473:pathology / Q000532:radiotherapy*; D005214:Fast Neutrons / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D009455:Neurofibroma / Q000473:pathology / Q000532:radiotherapy*; D009502:Neutrons / Q000627:therapeutic use