1 year of training in internal medicine or surgery (an internship)
4 years of training in a radiology program (a residency)
After medical school, internship, and residency, they may also do a fellowship in a subspecialty such as pediatric radiology, musculoskeletal radiology, interventional radiology, or radiation oncology.
Good to Know
If someone gets a lot of X-rays, the radiation can lead to certain medical problems. That’s why radiologists only do tests using X-rays when they're absolutely needed. They use the test that gives the least amount of radiation for the best results.