Malignant chondroma.
D002812:Chondroma / Q000473:pathology*; D002813:Chondrosarcoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000473:pathology*; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local