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. Author manuscript; available in PMC: 2013 Oct 23.
Published in final edited form as: J Gastrointest Surg. 2012 Dec 11;17(2):257–266. doi: 10.1007/s11605-012-1974-7

Fig. 1.

Fig. 1

In N0 patients (a and b), the number of examined LNs positively correlated with survival. In SEER (a), patients with ≥13 LNs had better survival compared to those with ≤5 LNs (28 months vs. 18 months). In the MGH (b), patients with ≥17 LNs trended towards a better survival (37 months) than patients with ≤9 LNs (33 months), p=0.63. Among the N1 patients (c and d), the numbers of lymph nodes examined exert a variable effect on overall survival. In the SEER population (c), higher LNs examined improved survival (≥13LNs 16 months vs. ≤5 LNs 11 months, p<0.001) but this effect did not extend to the MGH patients (d)