(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
Figure 2: HE staining (a–d), Masson staining (e–h), and Sirius red staining (i–l) of different positions of myocardial tissue of unloading group and control group. (a), (e), and (i) are Infarct Border Zone of unloading group; (b), (f), and (j) are Infarct Border Zone of control group; (c), (g) and (k) are Infarct Zone of unloading group; (d), (h), and (l) are Infarct Zone of control group.