*Correspondence: Frank Verhaegen, Maastro Clinic, Dr. Tanslaan 12, 6229 ET, Maastricht, Netherlands e-mail: frank.verhaegen@maastro.nl Introduction: X-ray imaging is an important part of medicine and plays a crucial role in radiotherapy. Education in this field is mostly limited to textbook teaching due to equipment restrictions. A novel simulation tool, ImaSim, for teaching the fundamentals of...