MYO7A and chronic myelogenous leukemia, BCR-ABL1 positive: We observed that USH1 (and MYO7A) tend to have higher incidence of CML compared to USH2 (and USH2A): 6/14 (43 %) in USH1 (and 5/11 (45 %) in MYO7A) and 14/45 (31 %) in USH2 (and 11/38 (29 %) in USH2A), respectively.