SLC16A1 and cholangiocarcinoma: Pan-cancer analysis based on the TCGA database (https://portal.gdc.cancer.gov/) showed that SLC16A1-AS1 exhibits a high expression pattern in multiple gastrointestinal carcinomas including LIHC, colon adenocarcinoma (COAD), cholangiocarcinoma (CHOL), and esophageal carcinoma (ESCA) (Supplementary Fig. S2K).