David Fajgenbaum, MD on Instagram: "Nine years ago, I went with my uncle to his doctor’s appointment and heard words no family is ever prepared for: you’ll likely pass away in the next three to six months. Angiosarcoma. Nothing works, we were told. There was no point in sequencing his tumor. No reason to test for PD-L1. None of it would change the outcome. But I couldn’t accept that. I was alive because of a repurposed drug, so we found another doctor willing to ask different questions. The tumo