ANALYSIS OF USING A STRING SCAR MARKER WITH IODINE IN BREAST CANCER CASE FOR CT SIMULATOR UNDERTAKEN AT RADIOTHERAPY DEPARTMENT OF SILOAM RMCCC HOSPITAL 5 Chapters + 39 Pages + 24 Images + 8 Attachments Background of Research: Medically, breast cancer is the most common cancer in women worldwide, accounting for about 11.7% of all cancer cases, and in Indonesia, about 16.6% of all cancer …