Fig. 2

Intraoperative findings. a A 3.0 cm skin incision was made, and the Lap-protector (alnote LapSingleTM, Applied Alfresa Pharma Coroperation, Japan) was then placed through the incision. b A pedunculated tumor protruded into the thoracic cavity from the visceral pleura, and was attached to the left lower lobe. c The tumor stalk was resected using an articulating endostapler (Covidien, Norwalk, CT, USA)