(June 12, 2018, 9:58 AM EDT) -- BOSTON — The First Circuit U.S. Court of Appeals should affirm a district court’s decision in favor of a health insurance plan that refused to reimburse a plan participant for residential treatment services for schizoaffective disorder because the evidence shows that the treatment was not medically necessary, the plan argues in a May 16 brief (Jane Doe v. Harvard Pilgrim Health Care Inc. et al., No. 17-2078, 1st Cir.)....