-- Posted by Jack Krauser at 6:47 pm on Oct. 23, 2008 So when i was younger i had a tumor on my lung, it was removed and i never had any major complications with it. But about 3 months ago i got pnumonia and went to a doctor, they took a chest x-ray and a  few days later called me saying i had an "Abnormality" in my chest and that i needed to go get a cat scan.  anyways long story short they said it was scar tissue from the tumor that just showed up weird and they suggested i go to a Lung doctor. Tomorrow is my appointment and i was just wondering what to expect. Anyone ever been to one? and if so what do they do? Blood tests(if so they check for THC?)/ Respritory check up/ or what?