Tabatabai SA1, Hashemi SM2, Ahmadinejad M3 1. Associate Professor, Department of Thoracic Surgery, Esfahan University of Medical Sciences, Al –Zahra Hospital 2. Assistant Professor, Department of Thoracic surgery, Esfahan University of Medical Sciences, Al –Zahra Hospital 3. Assistant Professor, Lorestan University of Medical Sciences, and Resident of Thoracic Surgery, Esfahan University of Me...