Expression of CCR7 in 96 esophageal SCC by immunohistochemistry
Percentage of positive cells: 0 (None); 1 (1–24%); 2 (25–49%); 3 (50–74%); and 4 (75–100%).
Staining intensity: 0 (none); 1 (weak); 2 (moderate); and 3 (intense).
Immunoreactive score: calculated by multiplying scores A and B.
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