Of particular note, in a previous study [12], we compared the value of static metabolic parameters [SUVmax, lymph node (LN)–SUVmax/primary tumor (PT)–SUVmax] and dynamically visualized metabolic parameters (Ki and Ki/K1) in metastatic and non-metastatic FDG-avid LNs of lung cancer. The gene discussed is PSME3; the disease is lung cancer.