LPP-RFC4, is a recurrent but non-pathogenic fusion in mucinous breast cancer (Pareja et al., 2019) and CBFA2T3-PAX5 is a recurrent fusion in a high-risk subtype of B-progenitor acute lymphoblastic leukemia (Gu et al., 2019). Here, CBFA2T3 is linked to acute lymphoblastic leukemia.