1 Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA. Electronic address: Strollodc2@upmc.edu.
2 Pulmonary & Mediastinal Pathology, The Joint Pathology Center, Silver Spring, MD.
3 Department of Diagnostic Radiology, Chest Imaging, University of Maryland School of Medicine, MD; Department of Internal Medicine, Pulmonary/Critical Care Medicine, University of Maryland School of Medicine, MD; Chest Imaging, American Institute for Radiologic Pathology, Silver Spring, MD.