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. 2019 Jul 25;10(19):4552–4563. doi: 10.7150/jca.30512

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Fig 7 — Prognostic value of constructed prognostic models based on postoperative CTCs in stage II-III colon cancer. Prognostic models were constructed by combining TNM stage, postoperative CA72-4 and postoperative CTCs (A and B) or combining only postoperative CA72-4 and postoperative CTCs (C and D). Using the prognostic models, the patients were stratified into three risk groups (multiple classifications, A and C) or two risk groups (binary classification, B and D). Abbreviations: CTCs, circulating tumor cells; CA72-4, carbohydrate antigen 72-4; RFS, recurrence-free survival.