SNAI1 and head and neck squamous cell carcinoma: Specifically, as shown in Figure 1B, compared with normal tissues, the SNAI1 expression was significantly higher in bladder urothelial carcinoma (BLCA), colon adenocarcinoma (COAD), esophageal carcinoma (ESCA), head and neck squamous cell carcinoma (HNSC), kidney chromophobe (KICH), kidney renal clear cell carcinoma (KIRC), rectum adenocarcinoma (READ), stomach adenocarcinoma (STAD).