Fig. 1From: Recurrent cerebral attack caused by thrombosis in the pulmonary vein stump in a patient with left upper lobectomy on anticoagulant therapy: case report and literature reviewPreoperative chest computed tomography (CT) scan. a Chest CT scan showing a 5 cm tumor in the left upper lobe. b Tumor was suspected to invade the pulmonary artery (arrow)Back to article page