KISS1 and neoplasm: The potential roles of KISS/KISS1R expression in different tumour types are summarised in Figure 1, updated from the review by Guzman et al.3Radionuclide‐labelled kisspeptin peptides provide a potential target for diagnostic imaging and if proven efficacious, might have application as a pan‐tumour therapeutic radiopharmaceutical (theranostic).