Prognostic role of Ki-67 in colorectal carcinoma: Development and evaluation of machine learning prediction models

Figure 2 Morpho-proliferative characterization of colorectal carcinoma specimens. A: Ki-67 immunohistochemistry (IHC), Ki-67 proliferation indices (positive cells/total): 10%; B: Ki-67 IHC, Ki-67 proliferation indices (positive cells/total): 30%; C: Ki-67 IHC, Ki-67 proliferation indices (positive cells/total): 50%; D: Ki-67 IHC, Ki-67 proliferation indices (positive cells/total): 90%; E: Hematoxylin and eosin (HE) histology at 400 × microscopic resolution, Ki-67 proliferation indices (positive cells/total): 10%; F: HE histology at 400 × microscopic resolution, Ki-67 proliferation indices (positive cells/total): 30%; G: HE histology at 400 × microscopic resolution, Ki-67 proliferation indices (positive cells/total): 50%; H: HE histology at 400 × microscopic resolution, Ki-67 proliferation indices (positive cells/total): 90%.