Meanwhile, there was no correlation between N-staging and the expression level of LYVE–1 in tumor tissues (P = 0.914) or para-cancerous tissues (P = 0.784); similar results were found for VEGFR–3 (P = 0.493, 0.955), Podoplanin (P = 0.199, 0.370), and Prox–1 (P = 0.780, 0.234). This evidence concerns the gene FLT4 and neoplasm.