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Kaplan–Meier curves of overall survival (OS). Compared with log-rank test. OS per patient comparing CRLM only to (a) CRLM with pulmonary metastasis (p = 0.363), to (b) CRLM with peritoneal metastasis (p = 0.041), and to (c) comparing CRLM only and non-regional lymph node metastasis (p = 0.483). Number of events are per patient.
