Proton Beam Therapy

But critics say that the technique's advantage over X-rays has not been proved, except in certain rare tumors, and that proton therapy might not be worth the substantial extra cost. They say hospitals are engaged in a wasteful "arms race" for the prestige and profits that come from having a proton center.

I have read for years about this kind of hospital "arms race". When the administrators for each hospital are interviewed, they predictably all say "Yes, there should only be one of these--but OUR hospital is clearly the best place for it". I hope the government-mandated collaboration works out...