WILMINGTON, Del.--(BUSINESS WIRE)--Andrews & Springer LLC, a boutique securities class action law firm focused on representing shareholders nationwide, is investigating potential breach of fiduciary duty claims against Varian Medical Systems, Inc. (NYSE:VAR) (“Varian Medical” or the “Company”). If you currently own shares of Varian Medical and want to receive additional information and protect your investments free of charge, please visit us at http://www.andrewsspringer.com/cases-investiga