MTOR and esophageal squamous cell carcinoma: However, mTOR/p-mTOR expression seemed to have no significant relationship to the genders of patients with ESCC (OR: 0.81; 95 % CI: 0.50–1.32; P = 0.396; I2 = 0.0 %, p = 0.447; Table 3 and Fig. 2e).