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Table 1 Scoring criteria for tumor microarray

From: Characterization of WWOX expression and function in canine mast cell tumors and malignant mast cell lines

Code Assigned Criteria for Stain Strength Code Assigned Percent Cells Labeled
0 No Labeling 0 0% labeling
1 Mild cytoplasmic labeling 1 1–25% labeled
2 Moderate cytoplasmic labeling 2 26–50% labeled
3 Strong cytoplasmic labeling 3 51–75% labeled
   4 76–100% labeled