Welcome to AAPM’s “Ask The Experts” page! This is where you can get answers to your medical physics questions. We invite you to express your curiosity about physics in medicine, especially the applications that our team of experts specialize in – medical imaging and radiation therapy. We ask for your email address to acknowledge receipt of your question and to provide you with a response. We may add your question to our public question & answer list, but your email address and identity will not be made public.