CRABP2 and metastatic malignant neoplasm in the lymph nodes: In Cox proportional multivariate analysis, death was defined as a dependent variable, and nine factors were defined as arguments such as the gender, ethnicity, differentiation of degree, depth of invasion, AJCC stage, lymph node metastasis, hematogenous metastasis, nerve invasion, CRABP2 expression, etc. Results of all the significant variables and patient survival are shown in Table 6.