POLR1H and carcinoma of esophagus: Based on TCGA pan-cancer correlation analysis, the results demonstrated that YTHDC2 significantly and positively correlated with ZNRD1-AS1 in all tumor types, with the exception of esophageal carcinoma (R > 0.3, Figure S1A), including LUAD (R = 0.6139) and LUSC (R = 0.5741, Fig. 1B).