AUTHOR=Wagner Andrej , Gurzu Simona , Barresi Valeria , Jiang Yuming TITLE=Editorial: Detection and characterization of gastrointestinal (early) cancer JOURNAL=Frontiers in Oncology VOLUME=12 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2022.1089612 DOI=10.3389/fonc.2022.1089612 ISSN=2234-943X