Left atrial aneurysm.
D000790:Angiocardiography; D001282:Atrial Flutter / Q000175:diagnosis; D006328:Cardiac Catheterization; D003937:Diagnosis, Differential; D005260:Female; D006322:Heart Aneurysm / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D013902:Radiography, Thoracic