TL;DR
The frequent infiltration of CD45RO, along with variable expression of PD-1 and PD-L1 on TILs and tumor cells, could impact the effectiveness of anti-tumor responses and immunotherapy.
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Authors
Hadiseh Farahani, Amir Reza Dehghanian, Aida Khademolhosseini, Mohammad Reza Haghshenas, Nasrollah Erfani