Malignant transformation in antecedent mixed parotid tumour.
D008949:Adenoma, Pleomorphic / Q000473:pathology*; D000328:Adult; D002471:Cell Transformation, Neoplastic / Q000473:pathology; D006801:Humans; D008297:Male; D010307:Parotid Neoplasms / Q000473:pathology*