AUTHOR=Deantonio Letizia , De Bari Berardino , Franco Pierfrancesco TITLE=Editorial: Ano-rectal and gastro-esophageal cancer: diving into diagnostic and therapeutic imaging modalities for radiotherapy JOURNAL=Frontiers in Oncology VOLUME=13 YEAR=2023 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2023.1276334 DOI=10.3389/fonc.2023.1276334 ISSN=2234-943X