AUTHOR=Li Xia , Yang Dong-Hua , Ranganathan Prathibha TITLE=Editorial: Chemo-Resistance in Gastrointestinal Cancers JOURNAL=Frontiers in Oncology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.821212 DOI=10.3389/fonc.2022.821212 ISSN=2234-943X