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[Combined pulmonary resection and cardiac operation; report of a case].

A 59-year-old woman was admitted because of an abnormal shadow on the chest X-ray film. Transbronchial lung biopsy revealed adenocarcinoma of the right lung, and chest computed tomography showed left atrial tumor. First, we performed a resection of left atrial tumor (myxoma) under cardiopulmonary bypass (CPB), followed by a right upper lobectomy with lymph node dissection. The postoperative course was uneventful, and she was discharged on the 14th postoperative day. It is safe and efficient that pulmonary resection and cardiac operation under CPB are surgically treated in a one-stage operation.