Pencegahan Kanker Penelitian Marcus Johnson BAUMAN, CANCER PREVENTION, CENTRE, CLINICAL TRIALS, EXERCISE, GLENN BAUMAN, HEALTHCARE, LHSCRI, LONDON HEALTH SCIENCES, LONDON HEALTH SCIENCES CENTRE, LONDON HEALTH SCIENCES CENTRE RESEARCH INSTITUTE, MEDICINE, RESEARCH, RESEARCH INSTITUTE, VERSPEETEN FAMILY CANCER CENTRE Terapi Radiasi Presisi Tinggi Aman untuk Pasien Kanker Polimetastatik