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Surgical view of the confronting upside-down monitor setting. (A) Dissection of #2R; (B) final view after dissection of the right upper zone; (C) final view after dissection of station 4L; (D) division of A3 by an endoscopic stapler. Checking both the cartridge and anvil at the same time is important to ensure safe division of vessels. RBCA, right brachiocephalic artery; Az, azygos vein; PA, pulmonary artery; LRLN, left recurrent laryngeal nerve; LMB, left main bronchus.
