Fig. 3From: Chest radiotherapy after left upper lobectomy may be a risk factor for thrombosis in the pulmonary vein stumpTypical radiological findings of thrombosis in the pulmonary vein stump after postoperative chest radiotherapy. A, C, E No thrombus is seen after left upper lobectomy before chest radiotherapy; B, D, F Thrombosis is seen in the pulmonary vein stump after postoperative chest radiotherapyBack to article page