Within the group of patients who were FISH+, those with low HER2 Total had shorter TTP than those who had high HER2 total.

1. Lipton A, Ali SM, Leitzel K, et al. HER2 protein expression predicts response to trastuzumab in FISH positive patients. Oral Presentation at 31st Annual San Antonio Breast Cancer Symposium: December 10-4, 2008, San Antonio, TX