KMT2D and cancer: Beyond the malignant neoplasm associations, there are additional correlations with autosomal dominant congenital disorders resulting from de novo heterozygous germline variants3: KMT2A with Wiedemann‐Steiner syndrome (WDSTS [MIM: 605130]),10KMT2B with pediatric dystonia,11KMT2C with Kleefstra syndrome (KLEFS1 [MIM: 610253]),12, 13 and KMT2D with Kabuki syndrome (KABUK1 [MIM: 147920]).11, 14