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Lymph node metastases of B-cell PDX tumors established from breast, bladder, colon, and renal human tumors. Representative pictures of H&E, cytokeratin, CD45, CD20, and EBER staining of metastatic lymphocytic PDX tumors in mouse lymph nodes. Metastases to lymph nodes were developed in mice bearing lymphocytic SC PDX tumors established from breast (A), bladder (B), colon (C), and renal (D) human tumor samples.
