Opportunistic CT screening for osteosarcopenia predicts reduced overall survival in patients with gastric cancer: a retrospective cohort study - Lin, Zijie; Wen, Bo; Huang, Daolai; Fang, Wenjie; Ou, Weiming; Song, Yaodong; Liu, Jiahui; Yang, Xiangzhong; Lan, Jun; Wu, Xianghua (Journal of Gastrointestinal Oncology; Vol 17, No 2 (April 30, 2026): Journal of Gastrointestinal Oncology, 2026)