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“My list of benign conditions that you’d embolize is pretty short,” he said.

“In general, you want to embolize it because you don’t want it to continue to get bigger and erode into the larger vessels of the kidney where it can cause significant bleeding,” he said.

These are benign, but sometimes they can cause discomfort or even cause bleeding in a patient, so we often will embolize those.

It’s a benign condition, but it can cause bleeding in the urine, so we often embolize those.