Mycosis fungoides.
D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D009182:Mycosis Fungoides / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy