Subsequent to talc pleurodesis and gefitinb treatment for 6 months, patient 2 underwent (A) a CT scan, revealing a pleural thickening, and (B) a 18F-FDG-positron emission tomography-CT scan, revealing an increased uptake of 18F-FDG in the lesion. CT, computed tomography; 18F-FDG, fuorodeoxyglucose.