{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T04:26:02Z","timestamp":1787199962679,"version":"build-2736575974"},"reference-count":60,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T00:00:00Z","timestamp":1787184000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To develop and temporally validate a multidimensional nutritional risk model integrating artificial intelligence (AI)\u2013derived CT body composition phenotypes for patients with non-small cell lung cancer (NSCLC).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This single-center retrospective cohort included 656 patients with pathologically confirmed NSCLC, including 432 in the development cohort and 224 in the temporal validation cohort. Baseline chest CT, clinical-nutritional variables, and immune-inflammatory markers were collected before first-line treatment. AI-based automated body composition analysis was used to extract CT phenotypes. The primary outcome was a 90-day nutrition-related adverse clinical trajectory. Clinical-nutritional, imaging, and integrated models were developed and compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The incidence of short-term nutrition-related adverse clinical trajectories was 34.3% in the development cohort and 32.6% in the validation cohort. Percentage weight loss, prognostic nutritional index, systemic immune-inflammation index, skeletal muscle index, and intermuscular adipose tissue volume were independent predictors. The integrated model achieved the best performance, with AUCs of 0.842 and 0.816 in the development and validation cohorts, respectively, and showed superior calibration and clinical utility. Higher risk scores were also associated with worse overall survival and progression-free survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Integrating AI-derived CT body composition phenotypes with nutritional and inflammatory indicators improved nutritional risk stratification in NSCLC and may support earlier risk-adapted nutritional management.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fnut.2026.1842431","type":"journal-article","created":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T04:16:04Z","timestamp":1787199364000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Multidimensional modeling and stratification of nutritional risk in non-small cell lung cancer based on artificial intelligence\u2013derived CT body composition 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