2017_SBRT_Course Book

Post-treatment CBCT, SBRT lung

• 140 fractions (32 patients)

Mean translation ( ± SD): • −0.7 ± 1.4 mm (vertical), • −0.7 ± 1.3 mm (longitudinal) • +0.2 ± 1.2 mm (lateral) • 3D vector: 2.1 ± 1.2 mm.

• Mean delivery time on TrueBeam with FFF was 4.4 ± 3.4 min (mean beam-on 1.9 ± 0.4 min)

Radiother Oncol. 2013 Jun;107(3):419-22. doi: 10.1016/j.radonc.2013.04.019. Epub 2013 May 23. Frameless high dose rate stereotactic lung radiotherapy: intrafraction tumor position and delivery time. Peguret N1, Dahele M,