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(a) Kaplan–Meier curves of OS for synchronous CRC and solitary CRC patients. (b) Kaplan–Meier curves of DFS for synchronous CRC and solitary CRC patients. (c) Kaplan–Meier curves of CSS for synchronous CRC and solitary CRC patients. CRC, colorectal cancer; CSS, cancer-specific survival; DFS, disease-free survival; OS, overall survival.
