[A case of one stage operation for primary lung cancer and abdominal aortic aneurysm].

A 75-year-old male patient of primary lung cancer associated with abdominal aortic aneurysm was operated successfully in one stage. Right S2, S3 lung cancer was resected first and then aortic aneurysm was replaced with a Dacron graft. Both disease should be operated upon as early as possible. Low dose heparin usage did not disturb the operation. This case is the third reported case of one stage operation in Japan.