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. 2019 Jun;8(3):227–234. doi: 10.21037/tlcr.2019.06.08

Figure 2.

Figure 2

Kaplan-Meier plots of overall survival in CEA- and CYFRA 21-1-positive patients at 1 and 4 months post-treatment initiation. CEA, carcinoembryonic antigen; CI, confidence interval; CYFRA 21-1, cytokeratin 19 fragment; HR, hazard ratio; OS, overall survival.