So next time you are told to get a CT scan I suggest you think about "How will the results change my treatment approach?" Don't be afraid to ask questions and work through the treatment plan with your doctor. Try to think 2-3 steps ahead and consider how future treatments will be directed by each scan. Choosing wisely is good website that lists some of the most important questions to ask each medical specialist and the most overused testing.
Photo credit: Ben Jones; nytimes.com/2014/01/31 - we-are-giving-ourselves-cancer.