AUTHOR=Okifuji Akiko TITLE=Editorial: Insights in cancer pain: 2022 JOURNAL=Frontiers in Pain Research VOLUME=4 YEAR=2023 URL=https://www.frontiersin.org/journals/pain-research/articles/10.3389/fpain.2023.1236538 DOI=10.3389/fpain.2023.1236538 ISSN=2673-561X