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. 2020 Dec 14;15(12):e0243900. doi: 10.1371/journal.pone.0243900

Table 2. Results from immunohistochemical evaluation.

Primary tumor site PD-L1 Immunoreactivity TCs1 (n) PD-L1 Immunoreactivity ICs2 (n)
Esophagus 0 0
Stomach 0 2
Pancreas 0 2
Colon 3 2
Rectum 0 0
CUP 1 4
Total 4 10

1TC, Tumor Cell

2IC, Immune cell.