Prognostic Role of Tumor Microenvironment in DLBCL and Relation to Patients’ Clinical Outcome: A Clinical and Immunohistochemical Study

Table 1

Staining system of tumor cells for CD4, CD8, MMP9, and CD68.

The intensity of staining score		Percent of stained cells
Score 0	No staining	Score 0	No. of cells
Score 1	Weak staining	Score 1	1-20% of cells were stained
Score 2	Moderate staining	Score 2	20-70% of cells were stained
Score 3	Strong staining	Score 3	70-100% of cells were stained
Total score; 0- expression; 4- expression