Genetex's human paraffin tissue section matched pair products include: Primary Pair (PP), Primary and Metastasis Pair (PM). PP consists of paraffin tissue section of primary tumor and its adjacent normal tissue; PM consists of paraffin tissue section of primary tumor and corresponding metastatic tumor. The paraffin tissue sections in each pair are prepared from the same donor. This product line is designed for identifying tumor-specific genes and tumor metastasis genes. More tumor pairs maybe available upon request.