We played Russian Roulette by smoking and now we're playing Russian Roulette by not taking these tests - my opinion here - some people don't want to know! If Russian Roulette isn't your game:
Tests every smoker needs | Katherine Times
Neither test is painful and they both are noninvasive plus you get the results very quickly.
Taking a Spirometry Test - YouTube
What to expect during a low dose CT scan - YouTube
Sleep well! Keep your head out of the sand!