Part of me always longed to do just one more film and see what Luke would be like now that he's on the level of Obi-Wan Kenobi, the student having become the master. But it was not meant to be.
Treatments and therapies have never been better in the face of this disease. You have every reason to be optimistic, determined, and focused on the future. My only other advice is to cherish every moment with those you love at every stage of your journey, as I have done this summer.