CRLF2 and acute lymphoblastic leukemia: In addition to LA patients, we also included two non-LA Asian Ph + samples (16–022 and 17–020, Table 1) to provide a baseline of expression in a background with very low CRLF2-linked Ph-like ALL risk.19 All three LA Ph− patients, including the two that were Ph-like, showed high relative expression of CRLF2 (Fig. 6A).