MKI67 and neoplasm: As shown, there was a strong correlation between MET uptake and tumor cell density (MET-IDH1: r = 0.91; p < 0.0001), MET uptake and vessel density (MET-CD34: r = 0.73; p < 0.0001), and MET uptake and proliferation (MET-Ki67: r = 0.71; p = 0.0465) in this tumor.