Fig. 1
From: Fiducial markers visibility and artefacts in prostate cancer radiotherapy multi-modality imaging
a 3D printed boxes used to house the gel with or without FMs (b) the complete pelvic phantom being filled with water and setup for scanning on a Varian TrueBeam (c) Pelvic phantom setup on a Siemens Aera 1.5 T MRI scanner. Panels d--f show CT scans of the pelvic phantom (d) transverse view, (e) coronal view showing boxes 1–6 and Head (H) and feet (F) boxes with no FMs, and (f) 3D view of the structures outlined on Varian Eclipse treatment planning system)