Table 2.

Grading of immunoscores on immunochemical staining.

Scores	Intensity	Scores	Percentage
0	No staining	0	<1%
1	Light yellow (weak staining)	1	1–24%
2	Brown (Moderate-strong staining)	2	25–49%
3	Dark brown (Strong staining)	3	50–74%
		4	75–100%