HGF and neoplasm: Here, soluble HGF was correlated with tumor cMet (r = 0.62, p = 0.056), HGF (r = 0.54, p = 0.106) and the cMet–HGF complex (r = 0.65, p = 0.044) and soluble cMet was correlated with the cMet–HGF complex (r = 0.58, p = 0.0677).