Fig. 1
A–C A 33 y/o patient with recurrent cervical cancer extending from the recto-sigmoidal junction to the upper third of the vagina with infiltration of the uterus, the right ovary and the rectum. She received a MR-guided SBRT boost to the PTVopt (131.35 ccm) with a single dose of 5 Gy and total dose of 20 Gy q.a.d (total EQD2 = 69.3Gy10). B 57 y/o patient with the diagnosis of cT4 cervical cancer with infiltration of the rectum and the pelvic floor. She was treated with a MRg-SBRT boost of 28 Gy in 4 fraction dose q.a.d to the PTVopt (89.97 ccm) resulting in a cumulative EQD2 = 83.9Gy10. C 47 y/o patients with recurrent cervical cancer that extended to the presacral region, through the sciatic foramen, with erosion of the ileum bone and infiltration of sciatic nerve. The MRg-SBRT boost was performed with 20 Gy à 5 Gy q.a.d to the PTVopt (126.73 ccm), total EQD2 = 75.0Gy10