Fig. 6.

Tumor-infiltrating T lymphocytes counts of mice in the IRE and control groups, 3, 7, and 14 days post-IRE, analyzed with immunohistochemistry. a, c, e Representative micrographs showing cells stained with CD3, CD4, and CD8. Scale bars = 20 μm. b, d, f The numbers of CD3⁺ T cells (b), CD4⁺ T cells (d), and CD8⁺ T cells (f) that infiltrated into the inner regions and at the margin of tumors. ^*p < 0.05, ^**p < 0.01, ^***p < 0.001