FASN and head and neck squamous cell carcinoma: The expression level of FASN in the tissues of bladder urothelial carcinoma (BLCA), COAD, LIHC, PRAD, READ (Rectum adenocarcinoma), Stomach adenocarcinoma (STAD), Uterine Corpus Endometrial Carcinoma (UCEC) (P < 0.001), CESC, esophageal carcinoma (ESCA), head and neck squamous cell carcinoma (HNSC), kidney renal papillary cell carcinoma (KIRP) (P < 0.01), and kidney renal clear cell carcinoma (KIRC) (P < 0.05) was greater than that in comparable tissues (Figure 3A).