Figure 8. circ_0039787 prevents the body's transplanted cancer cells from growing. (A) Subcutaneous tumor development in rodents. (B) Volume development trajectory of subcutaneous tumors in a mouse model. (C) Representative images of subcutaneous tumor formation in nude mice. (D) Immunohistochemistry analysis of KRAS and Ki-67 expression in tumor samples. P < 0.05, **P < 0.01.