dr. david joplin. he's the program director of the thoracic oncology lab at the university of california san francisco. and you started to talk about a lot of changes, improvements and ways of treating lung disease. >> well, it's happening for lung disease, for biology in general, we are with precision medicine which is a buzz word. it hasn't quite lived up to the excitement yet, but it it will. it's just a matter of time and technology and that is the idea of understanding whether it's a cancer of the lung or the colon or the breast and not of the organ and the pathways and the signaling and the stem cell it came from and the carcinogens and other exposures as well as other diseases and emphysema and we can interrogate these issue fishes and if you, god forbid, are diagnosed with a cancer and it is so important because we can learn so much about the tumor and direct and then guide the therapy based on that. >> you can design a therapy just for that particular tumor? >> right. exactly, so the excitemen