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Chemotherapy benefits in gastric cancer compared using disease-free survival (DFS). Kaplan-Meier survival curves for patients with gastric cancer in different radiomics score subgroups, which were stratified by the receipt of chemotherapy (A). Training cohort (n=286) (B), validation cohort (n=453), and (C) combined cohort (n=739). CT, chemotherapy; RS, radiomics score.
