title: Letter: Ultrasound in diagnosis of parapericardial masses.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006689:Hodgkin Disease / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D014463:Ultrasonography