Fig. 5

a, b Images of T2WI and DCE-MRI. c–f Corresponding parametric Ktrans, Kep, Ve, and Vp maps. The enhancement curve produced by a rectal adenocarcinoma (blue line), a model fit (orange line), and external iliac proximal (gray line) in g. a.u. = arbitrary units. h–m The images of HE, CD34, CDX-2, Ki-67, Masson’s, and vimentin staining