it's all about the drug delivery and bigtobacco has known that l along and nally, the trut is being airednd people are realizing that people are trying hard to quit. it's hard to quit,ust hard to stay off cigarettes for good. >> saw that in my own family. some did and some didn't. a new trend are e-cigarettes and what are ose and how does that affect them? >> we don't know what the impacts will be regarding all of these other total body effects. it's a way to give you the nicote satisfaction so then you don'tight up tobacco which carries the carcinogens. so the idea is you would at lea be spared much of the carcinogen load which would reduce significantlyhe rick of emfa zeema and lung cancer. >> you see people who come to you who have aariety of iseases, mostly lung cancer? >> thoracic maling nancy and is in this country and worldwide is lung cancer. 90% of the time it's lung cancer anwe specialize in the bleak and challenging tumors like mesotheoma and lung cancer. >> i thnk that people might be surprised that t survival rates of people being diagnosed with with lung cancer is just 15%.