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Kaplan-Meier survival estimation curves for patients in the groups with active bleeding with endobronchial lesion (AB/EBL), active bleeding with no endobronchial lesion (AB/no-EBL), no active bleeding with endobronchial lesion (no-AB/EBL), and no active bleeding and no endobronchial lesion (no-AB/no-EBL) (P < 0.001).
