Table VII. Univariate analysis of factors influencing survival of BFS patients after complete resection of primary lung cancer.

BFS: Fiberoptic bronchoscopy with fluoroscopic imaging; CI:confidence interval; TBB: transbronchial biopsy; Sq: squamous cell carcinoma; Ad: adenocarcinoma; Pl: pleural invasion; V: vascular invasion; Ly: lymphatic invasion; CEA: carcinoembryonic antigen.