text: San Antonio, TX - SABCS 2012 San Antonio Breast Cancer Symposium: T Kuehn discusses S2-2. Sentinel lymph node biopsy before or after neoadjuvant chemotherapy - final results from the prospective German, multiinstitutional SENTINA-trial during the GENERAL SESSION 2 at the 2012 San Antonio Breast Cancer Symposium here today, Wednesday December 5, 2012. Over 7500 physicians, researchers, patient advocates and healthcare professionals from over 100 countries attended the meeting which features the latest research on breast cancer treatment and prevention. Date: Wednesday December 5, 2012 Photo by © SABCS/Todd Buchanan 2012 Technical Questions: todd@medmeetingimages.com; Phone: 612-226-5154.