Gürhan Öz1, Ertan Aydın1, Ülkü Yazıcı1, Suat Gezer2, Erkmen Gülhan1, İrfan Taştepe1, Nurettin Karaoğlanoğlu1
1Department of Thoracic Surgery, Atatürk Chest Diseases and Thoracic Surgery, Training and Research Hospital, Ankara
2Department of Thoracic Surgery, Medicine Faculty of Düzce University, Düzce