CHI3L1 and metastatic malignant neoplasm in the lymph nodes: FIGO stage (log − rank = 26.469, P < 0.001), tumor diameter (log − rank = 8.779, P = 0.012), depth of invasion (log − rank = 6.108, P = 0.047), degree of differentiation (log − rank = 7.689, P = 0.021), lymph node metastasis (log − rank = 33.316, P < 0.001), vascular invasion (log − rank = 17.062, P < 0.001), CHI3L1 expression (log − rank = 12.655, P < 0.001, Figure 2(a)), and MVD expression (log − rank = 7.248, P = 0.007, Figure 2(b)) correlated with OS prognosis (P < 0.05).