How some U.S. women are shut out of a breast cancer treatment, IORT, valued around the world

Intraoperative Radiation Therapy has numerous benefits, surgeons tell NBC News, but it generates less money for hospitals and radiation oncologists. It isn't covered by some private insurers despite being covered by Medicare. Yasmin Vossoughian spoke to a patient who says, "we are missing an opportunity if we are not investing heavily in this and promoting this."