IGF1 and esophageal squamous cell carcinoma: If we look at how DAL scores are estimated, it is conceivable that the association between DAL and IGF‐1 could explain our observations and estimated OR concerning ESCC, despite the role played by tobacco smoking, alcohol drinking, and very hot “mate” drinking, which are already reported risk factors for ESCC.8, 9, 10, 11, 12