(4-traders.com) RT Oncology Services Corp. ("RainTree"), a community oncology alliance, announced that it formally launched its expanded pharmacy network with Express Scripts. According to a release, through this network, RainTree offers member practices that have oral drug dispensing greater access to plans than any other Pharmacy Services Administration...http://www.4-traders.com/EXPRESS-SCRIPTS-HOLDING-C-10515323/news/Express-Scripts-Holding-Co--RainTree-Oncology-Services-Unveils-Pharmacy-Network-with-Express-Script-17952865/