We received the best possible news: I can do targeted therapy! The genetic analysis was completed yesterday and showed that 41% of the biopsied cells have an EGFR mutation . ("EGFR [epidermal growth factor receptor] is a protein on cells that helps them grow. A mutation in the gene for EGFR can make it grow too much, which can cause cancer.) There is an effective medication for this mutation: Tagrisso (made by AstraZeneca, came on the market in 2018). I cannot tell you how relieved and elated we were to hear this news. According to the oncologist, he has patients who have been taking targeted therapy for years. The side effects he mentioned seemed pretty minor and manageable. I will take 1 pill a day for the foreseeable future and will need a lung CT scan about every 3 months and a brain MRI about 3 times per year (at least initially). I will do continued treatment at the Hillman Cancer Center in Pittsburgh. The oncologist said there's no reason we can't travel, so on Sa...