[Ball thrombus of the left atrium: a case report of a successful removal].
D000368:Aged; D004452:Echocardiography; D005260:Female; D006325:Heart Atria; D006331:Heart Diseases / Q000601:surgery*; D006801:Humans; D008946:Mitral Valve Stenosis / Q000150:complications* / Q000601:surgery; D013927:Thrombosis / Q000601:surgery*