I had a  CT lung scan two weeks ago ,and within a week i had a phone call saying they had made an appointment for me to go for another scan,which is tomorrow on the 12th ,of course i have been very worried and had just about got my head around everything and coping ,but today i also got another letter ,saying that the scan had showed that i had potentially have cancer ,so of course i am again down and panicking.But i have also read that a CT scan cannot tell if you have cancer ,that really only a biopsy will confirm it.So what will they do tomorrow at the respirotory clinic ? What should I expect .I am 64 and have been since i was 15 ,but i have been cutting down by vaping and now smoke at the most about 7 a day ,only today i have only had one