AUTHOR=Tsurui Toshiaki , Hamada Kazuyuki , Mura Emiko , Suzuki Risako , Iriguchi Nana , Ishiguro Tomoyuki , Hirasawa Yuya , Ohkuma Ryotaro , Shimokawa Masahiro , Ariizumi Hirotsugu , Kubota Yutaro , Horiike Atsushi , Wada Satoshi , Yoshimura Kiyoshi , Tsuji Mayumi , Kiuchi Yuji , Tsunoda Takuya TITLE=Evaluation of patient immunocompetence for immune checkpoint inhibitor therapy using the psoas muscle index: a retrospective cohort study JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1499650 DOI=10.3389/fonc.2025.1499650 ISSN=2234-943X