Target definition in radiotherapy of prostate cancer using magnetic resonance imaging only workflow  Adalsteinn Gunnlaugsson, Emilia Persson, Christian Gustafsson, Elisabeth Kjellén, Petra Ambolt, Silke Engelholm, Per Nilsson, Lars E. Olsson  Physics and Imaging in Radiation Oncology  Volume 9, Pages 89-91 (January 2019) DOI: 10.1016/j.phro.2019.03.004 Copyright © 2019 The Authors Terms and Conditions

Fig. 1 The CTV drawn on CT + MR images (black) and MR only images (gray) for 13 patients. The two physicians delineated patient 1–7 and patient 8–13, respectively. For all patients the volume was smaller when the volume was delineated on CT + MR compared to MR only images. Physics and Imaging in Radiation Oncology 2019 9, 89-91DOI: (10.1016/j.phro.2019.03.004) Copyright © 2019 The Authors Terms and Conditions

Fig. 2 CTVs for volumes delineated on CT + MR images are linearly correlated (r2 = 0.91) to CTV delineated on MR only images. Physics and Imaging in Radiation Oncology 2019 9, 89-91DOI: (10.1016/j.phro.2019.03.004) Copyright © 2019 The Authors Terms and Conditions