Pseudoposterior pericardial effusion due to enlarged left atrium.
D000328:Adult; D006332:Cardiomegaly / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004452:Echocardiography; D005260:Female; D006325:Heart Atria; D006801:Humans; D010490:Pericardial Effusion / Q000175:diagnosis*