Complex sentence: So far no CancerPartnersUK facility has been built within NHS premises, although many NHS Trusts have been approached to consider this option, none have yet availed themselves of the opportunity to have CancerPartnersUK provide radiotherapy on-site.
Split into simpler sentences: So far no CancerPartnersUK facility has been built within NHS premises, although many NHS Trusts have been approached to consider this option. None have yet availed themselves of the opportunity to have CancerPartnersUK provide radiotherapy on-site.