Letter: Primary pericardial tumor.
D003937:Diagnosis, Differential; D006338:Heart Neoplasms / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008654:Mesothelioma / Q000175:diagnosis / Q000473:pathology*; D010494:Pericarditis, Constrictive / Q000175:diagnosis; D010496:Pericardium / Q000473:pathology