“…Additionally, the metabolism of 18F‐fluorodeoxyglucose (FDG) is increased significantly 20,22,25,26 . In some studies, 20,22,25 the maximum standardized uptake value of 18F‐FDG was 11.6–21.9 (Table 1). When the tumor develops peripheral lymph node metastasis, hypermetabolic enlarged lymph nodes may appear around the hilar, portal vein, paraaortic, left common iliac space, and left supraclavicular region 12,20,22,25 .…”