In patients with AML (n = 20) and CML (n = 5), bone marrow plasma HGF concentrations were 20.44 +/- 6.26 (mean +/- s.e.)ng ml-1 and 7.17 +/- 0.53 ng ml-1 respectively. Here, HGF is linked to chronic myelogenous leukemia, BCR-ABL1 positive.