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腺癌和鳞癌的生存期和中位无疾病进展时间比较。A：腺癌和鳞癌的生存期比较（Log-rank，P=0.179）；B：腺癌和鳞癌的中位无疾病进展时间比较（Log-rank，P=0.017）。
Comparison of overall survival (OS) and progression-free survival (PFS) between adenocarcinoma and squamous cell carcinoma of the lung. A: OS of adenocarcinoma and squamous cell carcinoma (Log-rank, P=0.179); B: PFS of adenocarcinoma and squamous cell carcinoma (Log-rank, P=0.017).
