First patient treated with RayStation reirradiation tools in Leeds
Leeds Cancer Centre has treated the first patient using new reirradiation functionality in RaySearch Laboratories’ RayStation treatment planning system. The tools were developed over more than a decade of collaboration with Leeds Teaching Hospitals NHS Trust and the University of Leeds.
A growing number of cancer patients receive more than one course of radiotherapy. When the same area is treated again, clinicians must weigh the goals of the new treatment against the cumulative dose from earlier courses, which depends on factors such as the time between treatments and tissue recovery.
RayStation v2026 assesses cumulative dose using deformable image registration, accounts for differences in fractionation and, where clinically appropriate, includes tissue-specific recovery estimates. The first treatment was completed on October 26. The underlying research was supported by Cancer Research UK RadNet Leeds, Yorkshire Cancer Research and the Medical Research Council.
“One of RaySearch’s key strengths is the way we bring together scientific innovation and close collaboration with clinicians to develop advanced software that addresses real clinical needs,” says Johan Löf, founder and CEO of RaySearch.
Source: RaySearch Laboratories press release, 6 November 2026 — read the release
Published: November 12, 2026
