The exciting field of proton beam therapy is still developing; thus, as its utilization in the UK increases there is a need for further research to ensure that it is used effectively and appropriately. Speaking from the 2017 National Cancer Research Institute (NCRI) Conference in Liverpool, UK, Anthony Zietman, MD, from the Massachusetts General Hospital, Boston, MA, discusses the current usage of proton beam radiation as a treatment for cancer within the UK, the benefits of this in terms of cost-saving and what further research is required moving forwards.