First-Line Treatment With Merck’s KEYTRUDA® (pembrolizumab) Doubled Five-Year Survival Rate (31.9%) Versus Chemotherapy (16.3%) in Certain Patients With Metastatic Non-Small Cell Lung Cancer Whose Tumors Express PD-L1 (TPS >50%) – The Baytown Sun

First-Line Treatment With Merck’s KEYTRUDA® (pembrolizumab) Doubled Five-Year Survival Rate (31.9%) Versus Chemotherapy (16.3%) in Certain Patients With Metastatic Non-Small Cell Lung Cancer Whose Tumors Express PD-L1 (TPS >50%) – The Baytown Sun

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