PD-L1 Expression and Its Prognostic Value in Different Tumor Specimens in Epidermal Growth Factor Receptor–Mutated Non–Small Cell Lung Cancer The following represents disclosure information provided ...
We aimed to validate the prognostic value and heterogeneity of PD-L1 expression in primary tumors and lymph node metastases in squamous cell carcinomas of the lung in a large Western cohort. Survival ...