Department of Clinical Oncology Faculty of Medicine Ain Shams University Cairo Egypt;
Department of Radiation Oncology International Medical Center Cairo Egypt;
Department of Radiation Oncology International Medical Center Cairo Egypt;
Department of Clinical Oncology Faculty of Medicine Al-Azhar University Cairo Egypt;
Department of Clinical Oncology Faculty of Medicine Al-Azhar University Cairo Egypt;
Department of Clinical Oncology Faculty of Medicine Zagazig University Zagazig Egypt;
Synchronous Bilateral Breast Cancer (SBBC); 3DCRT; IMRT; VMAT; Target Volume Coverage; OAR;