They used to do primary treatment radiation and salvage radiation in around 40 sessions. They now do it in about 20 sessions. That’s increasing the dosage, each time compared to the old times. The Insurance companies really like it, since it’s cheaper.

They proved it worked with IMRT why not give it a shot with the proton SBRT equivalent. The higher dosage should kill the cancer more efficiently. The big worry is the side effects to the bladder and rectum. Can you use a barrier (like SpaceOAR when they do the proton radiation? Definitely would like to protect the rectum since there’s gonna be so much more radiation.