Atlanta, GA - ASCO 2006 - LaSalle D. Leffall, addresses the Opening Press Briefing, Friday, June 2, 2006, during the American Society of Clinical Oncology’s (ASCO) 42nd Annual Meeting. The meeting attracts more than 25,000 oncologists, cancer researchers and cancer care professionals from more than 100 countries. Credit: Photo Courtesy © ASCO/Todd Buchanan 2006. ASCO Contact: Danielle Potuto/Communications Dept.; 703-519-1422. Technical Questions: firstname.lastname@example.org; 612-226-5154.