TUCSON, Ariz.--(BUSINESS WIRE)--Ventana Medical Systems, Inc. (NASDAQ: VMSI) today announced it will release its second quarter 2007 financial and operating results on Thursday, July 19, 2007 after the market closes. The Company will also provide earnings guidance for the balance of 2007 and for 2008 and 2009, and provide more detail on its R&D pipeline.