L Dalar1, S N Sökücü2, N Ünver3, S Altin2. 1. Department of Pulmonology, Yedikule Teaching Hospital for Pulmonology and Thoracic Surgery, Istanbul, Turkey. leventdalar@gmail.com. 2. Department of Pulmonology, Yedikule Teaching Hospital for Pulmonology and Thoracic Surgery, Istanbul, Turkey. 3. Department of Pathology, Yedikule Teaching Hospital for Pulmonology and Thoracic Surgery, Istanbul, Turkey.