The amount of clinical data on proton therapy is increasing rapidly, making it a challenge to keep up with new findings and advancements. We decided to take advantage of our day-to-day involvement with experienced clinical teams from proton therapy centers worldwide, and gather and share information on the use of proton therapy in oncology.

Overview of the chapters of the White Paper on Proton Therapy - Current practice, opportunities and challenges:
- Introduction
- Physical advantage and potential clinical benefits
- Increasing number of facilities and patients treated
- Clinical indications and patient selection
- Clinical trials and NTCP model-based approach 
- Developments in proton technology 
- Cost-effectiveness of proton therapy 
- Reimbursement for proton therapy treatment
- Closing remarks