British Journal of Cancer, Apr 2023 This is a preview of a remote PDF: https://www.nature.com/articles/s41416-023-02251-9.pdf Fittall, Matthew, Liu, Justin, Platt, James, Ionescu, Maria, Sheehan, Remarez, Johal, Sukhmunni, Mew, Rosie, Clark, James, Watts, Izzy, Tripathy, Arvind, Little, Martin, Patel, Grisma, Panneerselvam, Hari, Appanna, Nathan, Burke, Emma, McKenzie, Hayley, Tilby, Michael, Khan, Sam, Lee, Lennard Y. W.. , British Journal of Cancer, DOI: 10.1038/s41416-023-02251-9