Immunohistochemical (IHC) staining and evaluation were performed as previously described 9 (link). Antibodies against MEDAG (Biorbyt, orb380371), E-cadherin (E-cad; Cell Signaling Technology, 14472), N-cadherin (N-cad; Cell Signaling Technology, 13116) and Ki67 (Santa Cruz, sc-23900) were used.
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