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Survival curves according to the ports. Red solid line depicted uniportal thoracoscopic segmentectomy, blue solid line depicted three-port segmentectomy. (A) Overall survival curves. The difference in 5-year overall survival is not significant (P=0.784). (B) Progression-free survival curves. The difference in 5-year progression-free survival is not significant (P=0.180). Confidence limit, 95%.
