[Retracted] Evaluation of Angiogenesis and Pathological Classification of Extrahepatic Cholangiocarcinoma by Dynamic MR Imaging for E-Healthcare

Table 3

The correlation between the DCE-MRI perfusion parameters with VEGF expression.

The ECC perfusion parameter	VEGF
	r value	value
Ktrans (min^−1)	0.024	0.843
Kep (min^−1)	0.014	0.926
Ve	0.072	0.635