LOS ANGELES--(BUSINESS WIRE)--Response Genetics, Inc. (Nasdaq:RGDX), a company focused on the development and commercialization of molecular diagnostic tests for cancer, will announce its fourth quarter and full-year 2011 financial results and an operational update in a press release to be issued before the market opens on Tuesday, March 27, 2012. The company will host a conference call that same day at 10:00 a.m. EDT to discuss its financial results.