Dosimetric Comparison Between 3D Conformal Radiation Therapy Plus Electron Boost and Simultaneous Integrated Boost Volumetric Modulated Arc Therapy for Left-Sided Breast Cancer Patients With a Potential Risk of Radiation-Induced Cardiac Toxicity

Although 3D-CRT + EB technique can reduce the mean dose to the heart, the doses to LAD and mLAD can be significantly decreased by SIB-VMAT, which could be a benchmark for selecting the most appropriate irradiation technique in the patients with a potential risk of RICAD.