Periampullary Adenoma is related to adenoma and familial adenomatous polyposis. An important gene associated with Periampullary Adenoma is APC (APC Regulator Of WNT Signaling Pathway), and among its related pathways/superpathways are Infectious disease and Homologous DNA Pairing and Strand Exchange. Related phenotypes are Increased shRNA abundance (Z-score > 2) and Synthetic lethal with vaccinia virus (VACV) infection