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. 2020 May 20;20(2):1127–1134. doi: 10.3892/ol.2020.11647

Figure 1.

Figure 1.

PD-L1 expression is associated with a poor prognosis in patients with CRC. (A) Immunohistochemical analysis was used to determine the expression levels of PD-L1 in CRC tissues. A representative tissue section is presented. Magnification ×400. (B) Survival plots for PD-L1 expression levels in patients with CRC. PD-L1, programmed death ligand 1; CRC, colorectal cancer.