FREMONT, Calif., June 9 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA - News), a publicly-traded medical device company focused solely on cancer therapies, today announced that it has been invited to present at Needham & Company, LLC’s Fifth Annual Biotechnology and Medical Technology Conference, which will take place at the New York Palace Hotel. The Company is scheduled to discuss its business strategy and historical financial performance on Wednesday, June 14, 2006 at 1:30 p.m. Eastern Time.