San Antonio, TX - SABCS 2016 San Antonio Breast Cancer Symposium - Stephen RD Johnston, MA, MBBS, FRCP, PhD gives PLENARY LECTURE 1 discusses &quot;Management of Metastatic ER+ Breast Cancer&quot; during the opening session here today, Wednesday December 7, 2016. during the San Antonio Breast Cancer Symposium being held at the Henry B. Gonzalez Convention Center in San Antonio, TX. Over 7,500 physicians, researchers, patient advocates and healthcare professionals from over 90 countries attended the meeting which features the latest research on breast cancer treatment and prevention. Photo by © MedMeetingImages/Todd Buchanan 2016  Technical Questions: todd@medmeetingimages.com