RHPN1 and head and neck squamous cell carcinoma: The analysis results revealed that RHPN1-AS1 was upregulated in HNSCC tissues (426 tumor tissues vs. 42 normal tissues; Fig. 1A, P < 0.01), and the RHPN1-AS1 level was correlated with neoplasm histologic grade (Fig. 1B, P < 0.001).