COL1A1 and esophageal squamous cell carcinoma: Consistently, several studies have shown that COL1A1, COL10A1 and COL11A1 were notably overexpressed in ESCC compared to normal tissues (Fang et al., 2019; He et al., 2017; Karagoz et al., 2016; Senthebane et al., 2018; Zhang et al., 2018a).