Coronal PET scan (left) and CT scan (right) of a patient with a solitary pulmonary nodule. The images were obtained 60 min after injection of 370 MBq (10 mCi) of ¹⁸F-FDG. The CT scan is set on the lung windows to show the tumor. PET imaging of lung cancer is the subject of the Continuing Education article in this issue. Courtesy of Henry Ford Hospital, Detroit Michigan.