AUTHOR=Lidoriki Irene , Liatsou Efstathia , Schizas Dimitrios , Athanasiou Antonios , Toutouzas Konstantinos G. , Frountzas Maximos TITLE=Editorial: Obesity and gastrointestinal cancer JOURNAL=Frontiers in Surgery VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2022.1013611 DOI=10.3389/fsurg.2022.1013611 ISSN=2296-875X