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(A) Histology of a primary pancreatic adenocarcinoma and metastases to liver and lung. (B–G) Immunohistochemistry of primary tumor and metastases for: (B) phospho-ERK1/2; (C) CK19; (D) Ki67; (E) p53; (F) γH2AX; (G) αSMA. M: metastasis. Scale bar 20 um.
