(May 6, 2019, 9:20 AM EDT) -- MIAMI — United Healthcare Insurance Co. (UHC) improperly categorizes proton beam radiation therapy (PBRT) as experimental in an effort to save money despite decades of its use as a prostate cancer treatment, a putative class alleges in an April 22 complaint in Florida federal court (Richard Cole, et al. v. United Healthcare Insurance Co., No. 19-21258, S.D. Fla.)....