MADISON, Wis.--(BUSINESS WIRE)--TomoTherapy Incorporated (NASDAQ: TOMO) today announced that its annual EMEA (Europe, Middle East, Africa) User Symposium, held May 7-9 in Prague, Czech Republic, attracted a record number of customers, doubling attendance compared to the 2008 event. Attendees from 34 hospitals in 11 countries gathered to share perspectives on the integration and application of the TomoTherapy® Hi·Art® treatment system for image-guided, intensity-modulated radiation therapy (IG-IMRT).