title: Salivary duct carcinoma.
mesh_terms: D000368:Aged; D005500:Follow-Up Studies; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D009362:Neoplasm Metastasis; D010306:Parotid Gland / Q000473:pathology; D010307:Parotid Neoplasms / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery