Acute Toxicity of Forward Planned Simultaneous Integrated Boost (SIB) IMRT in First 105 Prostate Patients Treated to a Dose of 76 Gy in 37 Fractions

Introduction: Following publication of NICE guidance (2008), the radical radiotherapy protocol for non-metastatic prostate cancer at St James's Institute of Oncology, Leeds was changed to 76 Gy in 37 fractions. A single phase field in field IMRT technique (four beam arrangement) is used. The 95% isodose encompasses the GTV (prostate±SV). The PTV=GTV with a 10 mm isotropic margin (8 mm posteriorly) and is encompassed by the 86%...