In patients over 40 years of age xray contrast agents can be injected into the coronary arteries coronary angiography during cardiac catheterization to evaluate the status of coronary arteries

What is the correctly punctuated version of this sentence?
In patients over 40 years of age, x-ray contrast agents can be injected into the coronary arteries (coronary angiography) during cardiac catheterization to evaluate the status of coronary arteries.