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Fig. 4 | BMC Surgery

Fig. 4

From: Factors affecting number of lymph nodes harvested and the impact of examining a minimum of 12 lymph nodes in stage I-III colorectal cancer patients: a retrospective single institution cohort study of 1167 consecutive patients

Fig. 4

Cumulative survival rates of the 440 enrolled patients with stage III colorectal cancer (CRC) who underwent curative resection as assessed by the Kaplan-Meier method. The differences in survival rates were analyzed by the log-rank test. a The overall survival was significantly lower in the low-harvest group (<12 LNs examined) than in the high-harvest group (12 LNs examined). b The disease-free survival was also considerably lower in the low-harvest group than in the high-harvest group

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