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Combining COPD with Clinical, Pathological and Demographic Information Refines Prognosis and Treatment Response Prediction of Non-Small Cell Lung Cancer

Figure 1

Kaplan-Meier analysis of patients with and without COPD among those treated with surgery alone.

Log-rank tests were used to assess the difference in survival probabilities of two groups.

Figure 1

doi: https://doi.org/10.1371/journal.pone.0100994.g001