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. 2013 Aug 21;8(8):e58557. doi: 10.1371/journal.pone.0058557

Figure 2. Kaplan-Meier estimates of probabilities of overall survival (A) and progression-free survival (B) of patients with respect to frequency of CTCs before initiation of therapy.

Figure 2

The red, green, and blue lines represent patients with no CTC, 1-3 CTCs, and above 3 CTCs, respectively.