Migrating cell counts and morphology of different groups of ESCC-LECs before (A) and after transfection (B) (×200 magnification, the left image). **P<0.01, compared with group D; *P<0.05, compared with group D; #P<0.05, compared with group A. (A) Mixed culture medium group, (B) M2 macrophage group, (C) KYSE150 group, (D) control group, (Z1) post-transfection mixed culture medium group, (Z2) post-transfection M2 macrophage group, (Z3) post-transfection KYSE150 group, and (Z4) control group.