Malignant ameloblastoma of the mandible.
D000564:Ameloblastoma / Q000175:diagnosis* / Q000556:secondary / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000175:diagnosis* / Q000648:ultrastructure; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D012306:Risk