Dear Colleagues,
On behalf of the Department of Radiation Oncology at the University Medical Center Groningen, it is my pleasure to invite you to participate at our Proton Therapy Symposium, to be held at the University Medical Center Groningen, the Netherlands on 13-14 April, 2023. The symposium marks the fifth anniversary of the Groningen Proton Therapy Center. 

The scientific program will consist of lectures from top international experts and members of our team. During the symposium we will look back at 5 years of state-of-the-art proton therapy summarizing recent scientific and clinical advancements, as well as look into the future exploring ongoing cutting edge research and sharing our vision to further advance the proton field.

Thank you and we look forward in seeing you in Groningen!
Professor Hans Langendijk
Chair of the department of Radiation Oncology