Cumulative evidence for the relationship between body mass index and the risk of esophageal cancer: An updated meta‐analysis with evidence from 25 observational studies

A large number of papers reporting the relationships between body mass index (BMI) and esophageal cancer (EC) risk have been published in the past few decades; however, these results are inconsistent. Therefore, we carried out meta-analyses to explore the relationships between BMI and the risk of EC (including esophageal squamous cell carcinoma [ESCC] and esophageal adenocarcinoma [EADC]).We used the Web of Science, PubMed, and Embase to...