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Screening of prognosis‐related clinical characteristics by Kaplan‐Meier analyses. A, Kaplan‐Meier curves based on different pT stages. B, Kaplan‐Meier curves based on different pN stages. C, Kaplan‐Meier curves based on different pM stages. D, Kaplan‐Meier curves based on different tumor stages. E, Kaplan‐Meier curves based on different age groups, where Q1, Q2, Q3, and Q4 represent quartiles
