We studied on postoperative non-tuberculous compications following thoracic surgery. It is recognized that this complications occur on 26 cases in total 209 operations (12.4%). The results is as follows. It is notable that 15 of 26 cases (58%) had had their complications preoperatively. We found that the postoperative serum hepatitis occured on 84 cases (43 %) among all transfused 194 cases.
