My mother-in-law found an article in Parade (the insert found in Sunday papers) regarding proton therapy used in cancer treatment. Does anyone know anything about this?

age 35 at DX,EBV-, HPV+,stage 4a oropharyngeal BOT rt side 1 node+/15 nodes - rt side of neck, non-smoker/drinker, induction therapy to begin 9/18/08 cisplatin,5FU,taxotere 2X, radiation to follow for 7 wks, radiation completed 1/21/09