This review covers the state-of-the-art imaging in therapy assessment and surveillance of lung cancer with focus on the utility of fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT). We review different qualitative and quantitative response assessment criteria in lung cancer, common pitfalls and atypical patterns of response to immunotherapy, and imaging features of common immune-related adverse events. In addition, the currently recommended imaging workup in surveillance of asymptomatic patients with non-small-cell and small-cell lung cancer and future developments will be discussed.
Keywords: (18)F-FDG PET/CT; Non–small-cell lung cancer; Small-cell lung cancer; Surveillance; Therapy assessment.
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