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Medicine

Comparative Effectiveness of Immunotherapy Versus Chemotherapy in Non-Small Cell Lung Cancer

Quick fact

In clinical trials, immunotherapy (such as pembrolizumab) has shown a 5-year survival rate of about 31.9% for previously untreated advanced non-small cell lung cancer with high PD-L1 expression, compared to 16.3% with chemotherapy.

Why this is interesting

What if the body's own immune system could be trained to fight cancer more effectively than chemotherapy? In non-small cell lung cancer, that is now a reality—but it doesn't work for everyone.