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* Can be benefical for upper rectal tumors and when imaging is performed at 3.0T (bowel movement artifacts are most prevalent)
'''Endorectal filling (optional) (~60 ml of gel)'''* When used, some experts suggest using a volume of only '''~60 ml of gel, since ''' (higher volumes will compress perirectal tissues significantly)* Useful to reduce Reduce susceptibility artefacts related to luminal gas during diffusion-weighted MRIon DWI.* Its use is Should not reccomended be used routinely: rectal wall distension may interfere with interpretation of the distance between the tumour and the mesorectal fascia, and high T2 signal of the gel may cause T2 shine through effects on DWI.
== Structured reporting ==
