TG and bone metastasis: The cutoff value of ps-Tg related to the presence of pulmonary metastasis was 117.5 ng/mL (sensitivity: 70.2%; specificity: 71.7%; negative predictive value [NPV]: 94.3%), and the cutoff point related to bone metastasis was 150.5 ng/mL (sensitivity: 79.3%; specificity: 85.5%; NPV: 98.8%).