title: Malignant transformation in concurrent benign mixed tumors of the parotid and submaxillary glands.
mesh_terms: D001634:Bibliographies as Topic; D006801:Humans; D010307:Parotid Neoplasms / Q000150:complications*; D012468:Salivary Gland Neoplasms / Q000150:complications*; D013365:Submandibular Gland Neoplasms / Q000150:complications*