GSTM1 and neoplasm: Low AGR was associated with older age at surgery (P < 0.001), higher T stage (P < 0.001), N stage (P = 0.005), and Fuhrman grade (P = 0.001), larger tumor size (P < 0.001), the presence of tumor necrosis (P < 0.001) and lymphovascular invasion (P = 0.001), lower Hb concentration (P < 0.001), higher AKP (P < 0.001) and LDH (P = 0.005) concentrations, and lower BMI (P < 0.001).