Radiotherapy Oncology Department;
Cancer Research Centre;
Cancer Institute;
Tehran University of Medical Sciences;
Tehran;
Iran;
Department of Medical Physics;
Faculty of Medicine;
Kurdistan University of Medical Sciences;
Sanandaj;
Iran;
Young Researchers and Elites Club;
Science and Research Branch;
Islamic Azad University;
Tehran;
Iran;
Stereotactic; Radiosurgery; Heterogeneities; Film; Dosimetry; Monte; Carlo; Calculation;