This predisposes individuals with NF1 to a range of benign and malignant tumour types (Maani et al., 2019; Uusitalo et al., 2016) including gastrointestinal, ovarian, bone and breast cancers (Landry et al., 2021; Seminog and Goldacre, 2013). The gene discussed is NF1; the disease is neoplasm.