ArticleJapanese journal of radiology2026
Prognostic value of AI-derived probability of interstitial lung abnormalities and interstitial lung disease in patients with esophageal cancer.
Article in Japanese journal of radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo investigate the association between AI-derived probability of interstitial lung abnormalities (ILA), including interstitial lung disease (ILD), and prognosis in an esophageal cancer cohort re-evaluated according to the 2025 American Thoracic Society (ATS) Clinical Statement. MATERIALS AND
methodsThis retrospective study included patients with esophageal cancer who underwent pretreatment chest CT between January 2011 and December 2015. Chest CT images were visually assessed and classified as non-ILA, indeterminate for ILA, ILA, or ILD according to the 2025 ATS Clinical Statement. Twelve previously developed artificial intelligence (AI) models generated patient-level ILA probability scores ranging from 0 to 1. Associations between AI-derived ILA/ILD probability and five-year overall survival (OS) were evaluated using multivariable Cox proportional hazards models adjusted for age, sex, body mass index, smoking history, and histology, stratified by clinical stage. Associations between visual ILA/ILD classification and OS were also assessed.
resultsA total of 452 patients (median age, 68 years [interquartile range: 61-73 years]; 61 women) were included. Among them, 251 (56%) were classified as non-ILA, 118 (26%) as indeterminate for ILA, 75 (17%) as ILA, and 8 (2%) as ILD. All 12 AI models showed significant associations with shorter OS (all p < 0.05). The best-fit model yielded a hazard ratio (HR) for mortality of 7.18 (95% confidence interval [CI]: 2.70-19.1; p < 0.001). Visual ILA and ILD were associated with mortality (ILA: HR = 1.60, 95% CI: 1.02-2.51, p = 0.039; ILD: HR = 3.01, 95% CI: 1.07-8.44, p = 0.037). AI-derived probability scores differed significantly among visual categories (all p < 0.01).
conclusionAI-derived ILA/ILD probability was associated with five-year OS in patients with esophageal cancer and may provide a reproducible quantitative marker for opportunistic risk stratification using chest CT.
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