Has anyone had CyberKnife radiation after lumpectomy?

CyberKnife is a specialized form of stereotactic body radiation therapy that some patients receive as part of their breast cancer treatment plan. This community has many members who have experience with various radiation approaches, and sharing these experiences can be really valuable for understanding what different treatment options involve.

I looked into it at a hospital closer to my house and was told by the radiologist it wasn't approved for breast cancer so insurance wouldn't cover it. He also said since I had lymph node involvement they couldn't precisely determine how many to treat.