He is also the Director of the Lung Cancer Early Detection and Prevention Clinic at SCCA and Director of Critical Care Medicine and the Pulmonary Function Laboratory at SCCA. He has more than 20 years of experience in pulmonary problems among cancer patients. He understands the importance of early diagnosis of lung cancer and has a special interest in using minimally invasive methods for early lung cancer detection. In addition to his clinical expertise, his research focuses on the identification of gene expression profiles in lung cancer and in radiation-induced lung injury.