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. Author manuscript; available in PMC: 2011 Aug 3.
Published in final edited form as: N Engl J Med. 2011 Jan 19;364(5):412–421. doi: 10.1056/NEJMoa1008108

Figure 2. Kaplan-Meier Survival Estimates According to the Presence or Absence of Occult Metastases Detected in Initially Negative Sentinel Lymph Nodes.

Figure 2

Panel A shows the probability of overall survival. The Kaplan–Meier estimate of overall survival at 60 months among patients in whom occult metastases were not detected was 95.8%; among patients in whom occult metastases were detected, it was 94.6%. Panel B shows the probability of disease-free survival. The Kaplan–Meier estimate of disease-free survival at 60 months among patients in whom occult metastases were not detected was 89.2%; among patients in whom occult metastases were detected, it was 86.4%. Panel C shows the probability of distant-disease–free survival. The Kaplan–Meier estimate of distant-disease–free survival at 60 months among patients in whom occult metastases were not detected was 92.5%; among patients in whom occult metastases were detected, it was 89.7%.