With 17 radiation treatment machines in special concrete bunkers below grade, the Radiation Medicine Program at Princess Margaret Hospital is the largest radiation treatment centre in Canada and one of the largest treatment facilities in the world

Specialized doctors and medical staff treat more than 6,500 new patients each year using state-of-the-art equipment.

 
The Radiation Therapy department consists of two parts: the Radiation Therapy Planning Clinic and Radiation Therapy Treatment. The department provides consultation, treatment and follow-up for patients requiring radiation therapy for cancer. 

Princess Margaret Hospital, a teaching hospital of the University of Toronto, has achieved an international reputation as a global leader in the fight against cancer and is considered one of the top comprehensive cancer treatment and research centres in the world. Located in Toronto, Canada, Princess Margaret Hospital, together with its research institute the Ontario Cancer Institute, is a member of the University Health Network, which also includes the Toronto General Hospital and the Toronto Western Hospital. PMH is the only facility in Canada devoted exclusively to cancer research, treatment and education.