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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Ann Surg Oncol. 2013 Oct 12;21(2):643–649. doi: 10.1245/s10434-013-3313-y

Figure 1. Sentinel Lymph Node Positivity Rates by Classification and Regression Tree Analysis.

Figure 1

The presence of mitoses defined the optimal primary cut-point for differentiating the rate of SLN positivity. In patients with mitogenic tumors, Clark level further differentiated tumors into high and low risk for a positive SLNB. Analysis included only patients where mitotic rate was known. CI (confidence interval).