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Prognostic nomogram, calibration curves of cancer-specific survival (CSS) for the modified stage of study patients. (A) The nomogram predicts 1-, 3-, and 5-years CSS in patients with renal cell carcinoma (RCC). The calibration curves predict CSS at 1-year (B), 3-years (C), and 5-years (D) in the primary cohort and at 1-year (E), 3-years (F), and 5-years (G) in the validation cohort.
