Seminars and Symposia Upcoming Events There are no events scheduled at this time. Past Seminars and Symposia Recent Advances in Biologically Guided Radiation Therapy (August 5, 2011) 2011 NW AAPM Washington Regional Meeting (September 9, 2011) 2012 NW AAPM Spring Meeting (April 27, 2012) 2013 NW AAPM Spring Meeting (April 19, 2013)