TABLE 1.

Angiogenesis score concerning histological feature

Score	Histological feature
0	It referred to cellular or rare endothelial cells
1	It illustrated that dispersed small aggregate endothelial cells without lumens
2	It indicated those endothelial cells in all parts of the section with some tube formation
3	It elucidates that readily identified capillary tube forming that includes RBCs and small amounts of collagen
4	It represented that those vast vessels have more than four red cells containing layers of collagen in vessel walls