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Figure 4: Group A and C postoperative pathological sections. A dense cord band (black arrows) observed at tumor edge after radiofrequency ablation. (a) (H and E) staining (×20). (b) H and E staining (×40). (c) H and E staining (×100). (d) H and E staining (×200) (e) Masson's trichrome staining. (f) Vimentin staining

Figure 4: Group A and C postoperative pathological sections. A dense cord band (black arrows) observed at tumor edge after radiofrequency ablation. (a) (H and E) staining (×20). (b) H and E staining (×40). (c) H and E staining (×100). (d) H and E staining (×200) (e) Masson's trichrome staining. (f) Vimentin staining