AUTHOR=Schneider Marcel André , Vithiananthan Sivamainthan , Gero Daniel TITLE=Editorial: Bariatric surgery—its influence on the development, diagnosis, and treatment of tumors JOURNAL=Frontiers in Surgery VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2022.1110401 DOI=10.3389/fsurg.2022.1110401 ISSN=2296-875X