3. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
4. Unresectable, metastatic or locally advanced EGFR-mutated NSCLC.
5. Prior treatment with osimertinib as first or second line, as single agent or in combination with chemotherapy, in the metastatic or locally advanced setting.
You may not be if
1. Subject's cancer has a known oncogenic driver alteration other than EGFR.
2. Known EGFR mutations that cause resistance to osimertinib
3. Known human epidermal growth factor receptor 2 (HER2) overexpression
4. Any contraindications to treatment with osimertinib
