I had radiation 4 times to the same area, 2 Times IMRT at 70Gy, 50Gy, and 2 times HD-IORT, at 12Gy, and 10Gy, which is equivalent to 3-4x that amount in IMRT dosage, and going for my 5th radiation treatmeng with Proton Therapy with 50Gy in a few weeks, to the same area.
Good luck.