title: Parotid benign giant mixed tumor of forty-two years duration with malignant transformation.
mesh_terms: D008949:Adenoma, Pleomorphic / Q000473:pathology*; D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010307:Parotid Neoplasms / Q000473:pathology*; D013997:Time Factors