Abstract
A 74-year-old man, who suffered injury to his back in minor collision with an automatic lawn mover driven by other person during mowing along the reilway, was brought into the hospital by ambulance. The wound was 25 cm in length and reached to the thoracic cavity, at where the muscles and ribs were cut. The left lung was observed through the wound. We initiated an emergency operation under general anesthesia and observed the thoracic cavity. There were no injuries to the heart and large vessels, but an injury with the width of 8 cm and depth of 2 cm was present in the left lower lobe of lung (S6). The injury was resected and sutured by using as automatic suture machine, and the opened chest was closed after sufficient levage of the thoracic cavity and chest wall wound. The postoperative course was uneventful and the patient was discharged from the hospital on the tenth postoperative day.
