Fig. 5From: 18F-FAPI PET/CT performs better in evaluating mediastinal and hilar lymph nodes in patients with lung cancer: comparison with 18F-FDG PET/CTA 58-year-old man with a diagnosis of lung cancer. Small (0.7 * 0.7Â cm) metastatic lymph nodes in region 4R showed no 18F-FDG-avidity (a, red arrows), but remarkable.18F-FAPI-avidity (b, red arrows)Back to article page