Radiography Monte Carlo Radiotherapy Tomography Brachytherapy Breast --Ultrasonic imaging Cerrobend blocks Computer-Assisted -- methods Diagnostic imaging --Data processing Drugs--Dose-response relationship Electron contamination--Monte carlo simulation Elektron Fetus Fluoroskopi IMRT Kanker Payudara Linear accelerators Medical -- Digital techniques Medical --Digital techniques Monte Carlo (monaco) Monte Carlo Method Monte Carlo method Radiography --methods Radioisotope brachytherapy Radioisotope renography Radiometry --methods Simulation methods Sinar X 6 MV Thermoluminiscence dosimeter