DLGAP1 and cholangiocarcinoma: Moreover, pancancer analyses revealed that DLGAP1-AS2 was highly expressed in other types of cancer, including stomach adenocarcinoma, esophageal carcinoma, pancreatic adenocarcinoma, cholangiocarcinoma and kidney renal papillary cell carcinoma, suggesting that DLGAP1-AS2 is a key cancer-related lncRNA (Fig. 1D).