Reoperation following open-heart surgery.
D006348:Cardiac Surgical Procedures; D005112:Extracorporeal Circulation; D006470:Hemorrhage / Q000209:etiology / Q000601:surgery*; D006491:Hemothorax / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D011183:Postoperative Complications / Q000601:surgery; D011859:Radiography