Operative procedure of laparoscopic distal pancreatectomy. (A) Exposure of pancreas. The lesion is seen at the right side of the picture. (B) The body to tail of the pancreas is mobilized and lifted from the retroperitoneum by a cloth tape, and pancreatic body is transected with an endoscopic linear stapler device. (C) The lesion was put into a retrieval bag. (D) The cyst contents were aspirated within the retrieval bag. (E) The closed drains brought out through the transumbilical incision. (F) The lesion, the serous cystadenoma in pathologic diagnosis.