Using a cutoff value of p < 0.05, 239 unique genes were identified as significantly deregulated in expression, including 20 genes (5 upregulated and 15 downregulated) in ADH, 60 genes (37 upregulated and 23 downregulated) in DCIS, and 124 genes (85 upregulated and 42 downregulated) in IDC. The gene discussed is AVP; the disease is ductal breast carcinoma in situ.