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Reference
He R, Ding W, Viswanatha DS, et al. PD-1 expression in chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) and large B-cell Richter transformation (DLBCL-RT): a characteristic feature of DLBCL-RT and potential surrogate marker for clonal relatedness. Am J Surg Pathol. 2018;2018(42):843–54.
Acknowledgements
Susu Lu and Sha Zhao did the immunohistochemical and molecular evaluation and co-wrote the manuscript.
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This work was supported by the National Natural Science Foundation of China (30900534) and Sichuan Science and Technology Program (2018JY0612).
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12185_2021_3098_MOESM1_ESM.tif
Supplementary file1 (TIF 16805 KB) Large cells were negative for PD-1 (A), PD-L1(B) and small neoplastic cells were negative for PD-1 (C), PD-L1(D). The magnification in all panels is ×400
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Lu, S., Zhao, S. EBV-positive diffuse large B-cell lymphoma, not otherwise specified masking Richter syndrome. Int J Hematol 113, 613–615 (2021). https://doi.org/10.1007/s12185-021-03098-7
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DOI: https://doi.org/10.1007/s12185-021-03098-7