Of these, 15/59 (25.4%) were classified as pure ADH, 27/59 (45.8%) as pure FEA, 12/59 (20.3%) as mixed lesions (ADH + FEA or ADH+lobular neoplasia), and 5/59 (8.5%) as lobular neoplasia. The gene discussed is AVP; the disease is lobular neoplasia.