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Figure 4: Capillary dilatation (a) Grade 1 - mild (b) Grade 2 - moderate (c) Grade 3 - marked. (H and E stain, ×40)

Figure 4: Capillary dilatation (a) Grade 1 - mild (b) Grade 2 - moderate (c) Grade 3 - marked. (H and E stain, ×40)