AUTHOR=Pandol Stephen J. , Tirkes Temel , Li Debiao TITLE=Editorial: Innovations in Imaging for Early Diagnosis and Monitoring for Patients With Gastrointestinal Cancer JOURNAL=Frontiers in Oncology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.913387 DOI=10.3389/fonc.2022.913387 ISSN=2234-943X