KIF18A and head and neck squamous cell carcinoma: Recent studies have shown that KIF18A participates in the pathogenesis and progression of various tumors, such as colorectal cancer, breast cancer, prostate cancer, liver cancer, head and neck squamous cell carcinoma, lung adenocarcinoma, gastric cancer, glioma, and clear cell renal carcinoma, and is also related to these tumors’ survival and prognosis [8,10,11,12,13,14,15,17,18,19].