Q. If a patient of advanced NSCLC, no targetable driver mutation is found and PD-L1 expression is ≥ 50%, which of the following will be the best treatment approach :
A. Pembrolizumab
B. Pembrolizumab plus single agent platinum
C. Pembrolizumab plus platinum based doublet chemotherapy
D. Platinum based doublet chemotherapy
Answer: Pembrolizumab