NRAS and neoplasm: When adjusted for gender, age, and tumor size, the prognostic effects of KPNA2 (p < 0.001; Figure 7D) and NRAS (p < 0.05; Figure 7F) also existed, whereas the independent prognostic value of GRB2 was not so significant (p = 0.074, p > 0.05; Figure 7E).