Lung Imaging

From left to right are patients with EGFR mutation, KRAS mutation, and EGFR– and KRAS– tumors, respectively. Stage I and III tumors are shown in the top and bottom rows, respectively. Arrows indicate the locations of the lung tumors. Credit: Stephen S.F. Yip, Ph.D., and Hugo Aerts, Ph.D., Dana-Farber Cancer Institute, Brigham and Women’s Hospital, and Harvard Medical School, Boston; John Kim, M.D., University of Michigan Health System, Ann Arbor, Mich.