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. 2022 Apr 11;18(7):2867–2881. doi: 10.7150/ijbs.66854

Figure 2.

Figure 2

Lung metastases have prominent mesenchymal features and secrete CXCL2 and M2 macrophage infiltrates. (A) ECAD and VIM immunohistochemical staining of lung metastases and primary tumours. The scale is 200 µm. (B, C) The proportion of positive cells per 100 cells, statistical number of A, ***, P < 0.001. (D) Immunohistochemical depictions of CXCL2 and CD163 in lung metastases and primary tumours. The scale is 200 µm. (E, F) The proportion of positive cells per 100 cells, statistical number of D, ***, P < 0.001; **, P < 0.01.