united states great work being done in the east coast, dr lynn sham. 1 of our surgeons, natalie louis, and i think other investigators in this area talking about how do we bring that here? how do we do more of that screening it's standard now in taiwan and other parts of the world where that's recognized. that and other ways. besides scans. blood tests other ways to find cancers early. that's all going to be coming, and then we think about those treatments. what's most exciting to me? it's as immune based >liz>therapies. >>long way to go, especially >liz>in >>the types of lung cancer that we've been talking about here. because those cancers have usually just a single gene mutation >liz>to start >>with. they look a lot like the rest of the body, and it's hard for the immune system to recognize them as something different, so we have to get even >liz>better >>at helping train the immune system. hey, that's the cancer get that leave the rest of the body >liz>alone. >>and we're making >liz>that progress and i think, also joining the fans study things like that, or is really what's going t