Fig. 3
Imaging of 18F-FDG-PET in 74-years old female with advanced pulmonary adenocarcinoma who was treated with nivolumab monotherapy as 3rd line treatment. a PET imaging displayed the increased accumulation of 18F-FDG with SUVmax of 5.2 (white arrowhead) in the anterior mediastinal lymph node metastasis corresponding to CT (white arrow). b At 1 month after nivolumab initiation, the growth of the lymph node metastasis was observed on CT scan (white arrow) with increased uptake of 18F-FDG with SUVmax of 11.3 (white arrowhead)