Fig. 6

Expression of various indicators in the immune microenvironment of each treatment group. (A) Immunofluorescence method to detect the expression of CA9 in tumor tissues of each treatment group. (B) Immunofluorescence method to detect the expression of CD31 in tumor tissues of each treatment group. (C) Immunofluorescence method to detect the expression levels of α-smooth muscle actin in tumor tissues of each treatment group.