TBC1D14 and head and neck squamous cell carcinoma: Considering the aforementioned correlation between TBC1D14 and LNM revealed by TCGA and GEO data analysis, to further test effects of TBC1D14 on lymphatic metastasis, qRT-PCR analysis with 20 HNSCC tissue samples (10 cases with LNM and 10 cases without LNM) and western blotting analysis with 16 HNSCC tissue samples (eight cases with LNM and eight cases without LNM) were performed.