A retired Bureau field agent with years of experience and a Sniper Cannon on his shoulder, here to help 73-6. Is most likely the one who made 73-6 want to leave the Bureau as he slipped a strange disk into his tank when he was being revived for the 6th time.
A. Small cell lung cancer is a serious disease that requires aggressive treatment and close monitoring of the response to the medicines is justified. Under these circumstances, the amount of radiation obtained by routine diagnostic CT scans is justified, say 1 scan every 3 months for a year or two.
There are more differences between CTA and MRA than there are similarities. All CTAs require the use of an IV contrast agent, but not all MRAs do. CTAs require just a few minutes to complete; MRAs may require 20-30 minutes. CTAs involve exposure to radiation (see below), MRAs do not.