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Intra-operative photographs. (A) After the lesion was removed, the proximal end (arrow) and the distal end of the left main bronchus (triangle) were clearly seen; (B) first, medial side of these two ends were anastomosed, (C) and the line was tightened; (D) then the lateral part was sutured continuously; (E) finally, two ends of the suture were tightened simultaneous and tied.
