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Construction of a nomogram for OS prediction in ESCC. (A,B) Univariate (A) and multivariate (B) Cox regression analysis of prognostic clinical indicators. (C) Nomogram to predict the 1-year, 3-year, and 5-year OS rates in ESCC patients. (D) Calibration curve used to evaluate the accuracy of the nomogram model at 1-year, 3-year, and 5-year time points.
