A 51-year-old man with stage IIIB (T4N2M0) adenocarcinoma of the lung underwent left pneumonectomy and aortic wall resection. In this operation a heparin-coated tube and roller pump system were used. Advantages of a heparin-coated tube and roller pump system for temporary bypass are as follows. 1) simple operative procedure. 2) controllable bypass flow. 3) no need for anticoagulants.