From the Departments of ∗Internal Medicine

†Pulmonary Medicine

‡Cardiovascular and Thoracic Surgery

§Radiology

∥Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Correspondence to: Harpreet Singh, MD, Assistant Professor, Department of Internal Medicine, 4th Floor, F-Block, Nehru Hospital, Post Graduate Institute of Medical Education and Research, Chandigarh. E-mail: [email protected].

The authors have no funding or conflicts of interest to disclose.