Ask the surgeon, are operations easy or effortless? Depends on the case. The lap chole on the 30 year old, thin patient, perfectly healthy should be effortless. The 70 year old obese patient who turns out to have a gallbladder carcinoma-- goes to open chole- thats a nightmare.
Its similar in radiology-
It really depends on the case. You have normal exams, which are effortless to dictate. Then you have nightmare post op abcess, with anastamoses all over the place, noncontrasted exams also the cancer-gone-wild comparison cases that the oncologist wants you to compare to the last three prior cases that were just as bad... those are time consuming and can be challenging.