1 Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Ill; Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Ill.
2 Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Ill; Division of Hematology and Oncology, Department of Internal Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Ill.
3 Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Ill; Division of Thoracic Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Ill. Electronic address: mdecamp@nm.org.