195483.fig.004a
(a)
195483.fig.004b
(b)
Figure 4: (a) Photomicrographic section shows gross neointimal proliferation causing a significant stenosis (Hematoxylin-Eosin stain, x5). (b) In this section, the porcine coronary was totally occluded with neointimal hyperplasia. L: lumen; M: media; NI: neointima; *: stent strut. Adapted from the reference [32].