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Our experience bears out the importance of renaming hereditary breast and ovarian cancer (HBOC) as King syndrome (C. C. Pritchard Nature571, 27–29; 2019). National and international guidelines urgently need to extend their criteria for BRCA testing to include males with a family history of prostate or pancreatic cancers. Examples include those issued by the European Society for Medical Oncology and the UK National Institute for Health and Care Excellence.