CLDN7 and neoplasm: The present study found that when using a statistical approach, except for the leukocyte inflammatory infiltrate, Claudin-7 expression was not correlated with other clinicopathological parameters: age, sex, T stage, N stage, grading, tumor location, venous invasion, lympho-vascular invasion, perineural invasion, growth pattern, tumor deposits and tumor budding (p > 0.05), nor in the tumor core, neither in the tumor invasive front).