Fig. 3From: Redefining radiotherapy for early-stage breast cancer with single dose ablative treatment: a study protocolDosimetry treatment plan single dose ablative radiotherapy. Legend: The red isodose (20Â Gy) represents the prescribed dose to the gross tumor volume (GTV), the orange isodose (19Â Gy) represents 95% of the prescribed dose to the GTV, the yellow isodose (16Â Gy) represents 107% of the prescribed dose to the clinical target volume (CTV) and the green isodose (14.3Â Gy) represents 95% of the prescribed dose to the CTVBack to article page