Figure 4From: Non-grasping en bloc mediastinal lymph node dissection for video-assisted thoracoscopic lung cancer surgeryDissection of station 4 L. (A) Dissecting the block off the arch of aorta. (B) Dissecting the block off the left pulmonary artery and the left main-stem bronchus. (C) Anatomic landmarks after dissection. MES metal endoscopic suction, EcH electrocoagulation hook, RLN recurrent laryngeal nerve, LA ligamentum arteriosum, VN vagus nerve, Ao aorta, BA bronchial artery, LMB left main-stem bronchus, LPA left pulmonary artery, US ultrasonic scalpel, Tr trachea.Back to article page