title: Aggressive behavior in acinic cell carcinoma.
mesh_terms: D002277:Carcinoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010306:Parotid Gland / Q000473:pathology; D010307:Parotid Neoplasms / Q000473:pathology*; D011379:Prognosis