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. 2012 Aug 2;7(8):e42043. doi: 10.1371/journal.pone.0042043

Figure 1. The pleural recurrence free interval in stage I lung cancer patients who underwent computed tomography-guided needle biopsy (CTNB group) versus patients who did not (non-CTNB group) is shown as a Kaplan-Meier estimate.

Figure 1

There was no significant difference between the two groups (p = 0.12, log-rank test).