BCRB 2018

Introduction • Reirradiation of previously treated areas: why? – New primary tumor • Cancer survivors are at an increased risk of developing secondary malignancies – Pts still retain more risk (e.g. molecular predisposition) – Aetiological factors can continue (e.g. Smoking) – Therapy itself • Within or close to initial high-dose treatment volume

– Recurrence • Within or close to original gross tumor volume

– Nodes and metastases