Of 109 carcinomas analyzed for Her2/neu overexpression, 38 (34.9%) were negative for Her2/neu expression, 39 (35.8%) had 1+ staining, 20 carcinomas (18.4%) had 2+ staining, and 12 (11.0%) had 3+ staining. The gene discussed is ERBB2; the disease is carcinoma.