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Fig. 4 | Diagnostic Pathology

Fig. 4

From: Response to PD-1 inhibitor in SMARCB1‑deficient undifferentiated rectal carcinoma with low TMB, proficient MMR and BRAF V600E mutation: a case report and literature review

Fig. 4

Immunohistochemistry results of tumor cells. A The tumor cells showed complete loss of INI-1 (SMARCB1 protein). B-D The tumor cells were diffusely positive for BRG1 (SMARCA4), BRM (SMARCA2) and ARID1A. E and F The tumor proportion score (TPS) of PD-L1 (22C3) expression was 95%, and the combined positive score (CPS) was over 100

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Diagnostic Pathology

ISSN: 1746-1596

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