AUTHOR=Liao Rui , Shi Yu-Jun , Chuong Michael D. , Cao Ju TITLE=Editorial: Gastrointestinal Tumor Heterogeneity and Related Anti-Cancer Strategies JOURNAL=Frontiers in Oncology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.873240 DOI=10.3389/fonc.2022.873240 ISSN=2234-943X