Figure 2From: Safety and efficacy of stereotactic body radiotherapy as primary treatment for vertebral metastases: a multi-institutional analysis Distribution and correlation between PTV prescription dose (EQD2 10 ) and maximum dose to the PRV-SC (EQD2 2 ); results are shown for SBRT delivered in 1 fraction (1 FX), 2-5 fractions (2-5 FX) and 6-20 fractions (6-20 FX). Back to article page