A 41 years old male presented with complain of difficulty in deglutition since 2 months & regurgitation of food in the last 10 days. Diagnosed as esophagus stricture posted for Ivor Lewis surgery with abdominothoracic esophagectomy with gastric pullup with esophagus gastric anastomosis in thorax under general anesthesia& epidural anesthesia with left sided Robertshaw double lumen endobronchial tube of 37 Fr size for one lung ventilation.