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Surgical Case Reports
Fig. 5 | Surgical Case Reports

Fig. 5

From: Early detection of occupational cholangiocarcinoma in a high-risk patient under intensive surveillance: a case study

Fig. 5

Pathological findings identified with immunological staining. a CD8-positive T cell infiltration in the tumor stroma. b CD163-positive macrophage infiltration in the tumor stroma. c PD1-positive lymphocytes in tumor stroma. d CTLA4-positive lymphocytes in the tumor stroma. e Enhanced PD-L1 expression in stromal cells of the invasive carcinoma. f γH2AX expression detected at various levels in the bile ducts irrespective of cancerous and non-cancerous sites

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