Cancer makes us all scared and my thoughts are with you. I'm wondering if you should get a second opinion and have a serious talk with an oncologist you trust. What's the success rate of the treatment they're proposing. What are the side effects? Can you live with them? What resources do you have to help you get through all this? I sat with my oncologist and asked her every hard question I could think of. I'm still hanging on five years after a diagnosis of stage 4 ros1 lung cancer. I would add that new treatments are being developed all the time and that cancer treatment today is nothing like it was even ten years ago. For example, last summer we thought the ros1 had metastasized, and it turned out to be a giant cell tumor instead. I was started on a new, targeted chemo that had just been introduced last February. The side effects aren't any fun but nowhere as serious as the chemo side effects for the ros1. My advice is to see what's being offered before you make any decision.