Chicago, IL - ASCO 2008: Robert Pirker, MD, addresses reporters at the Screening and Treatment Advances Press Briefing on Sunday, June 1, 2008, during the American Society of Clinical Oncologys (ASCO) 44th Annual Meeting. The meeting attracts more than 25,000 oncologists, cancer researchers and cancer care professionals from more than 100 countries. Date: Sunday June 1, 2008 Photo by © ASCO/Scott Morgan 2008 ASCO Contact: Tiffany Reynolds/Communications Dept.; 703-519-1423. Technical Questions: firstname.lastname@example.org; Phone: 612-226-5154.