1. Approximately what proportion of lung adenocarcinomas harbor drug-targetable mutations?

2. Which of the following statements regarding epidermal growth factor receptor (EGFR)-mutated non-small cell lung cancer (NSCLC) is MOST accurate?

3. BK is a 68-year-old woman with ALK-rearranged non-small cell lung cancer. She responded well to first-line treatment with crizotinib monotherapy but relapsed after 9 months of therapy. Which of the following describes the MOST APPROPRIATE next steps for treatment?

4. MP is a 70-year-old man with EGFR-mutated non-small cell lung cancer. He responded well to first-line treatment with erlotinib monotherapy but relapsed after 14 months of therapy. His physician ordered a repeat biopsy, which identified the presence of the EGFR T790M mutation. Which of the following describes the MOST APPROPRIATE treatment?

5. Which of the following statements regarding the financial toxicity of targeted cancer treatment is MOST ACCURATE?

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