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Article History

Received: 28 January 2025

Revised: 12 June 2025

Accepted: 24 June 2025

First Online: 25 August 2025

Consent for publication

: Scientists from the Institute of Cancer Research had access to and analysed de-identified patient data.

: This service evaluation project uses fully anonymised data in accordance with the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018. The anonymisation process ensures that no individual can be identified, either directly or indirectly, from the data used. The project is a service evaluation, as defined by the Health Research Authority (HRA), aimed at assessing and improving current clinical practice and patient care at The Royal Marsden NHS Foundation Trust. As it does not involve any deviation from standard care or the randomisation of patients, it does not require review by a Research Ethics Committee (REC), in line with HRA guidance. All data has been anonymised prior to analysis, and no identifiable personal data is accessed, stored, or shared. The evaluation complies with NHS data protection requirements, including the principles outlined in the Caldicott Guidelines. The use of anonymised data for this purpose supports our commitment to maintaining patient confidentiality while continuously improving service quality. This project has been registered with and approved by the appropriate internal governance procedures at The Royal Marsden NHS Foundation Trust.

: The authors declare no competing interests.