title: Pericardial calcification simulating extravasation of barium.
mesh_terms: D000328:Adult; D001466:Barium Sulfate; D002114:Calcinosis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004939:Esophageal Perforation / Q000175:diagnosis*; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008482:Mediastinum; D010493:Pericarditis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography
chemical_list: D001466:Barium Sulfate