SU-E-J-145: Dosimetric Impact of Patients Set-Up Effect in Radiation Therapy Planning System for Breast Cancer Patients with Conventional Wedge and Field-In-Field Techniques

Purpose: To evaluate the dosimetric effects of patients setup errors and breathing movement on whole breast irradiation with conventional hard wedge (HW) and field‐in‐field (FIF) techniques. Methods: A total of 10 patients who received whole breast irradiation were chosen for this study. We performed radiation treatment planning for whole breast irradiation with two techniques; conventional hard wedge (HW) and field‐in‐field (FIF). On the...