SAN ANTONIO (EGMN) - A rapid molecular assay for breast cancer nodal metastasis was more sensitive than commonly used frozen section in a prospective study of 490 women with invasive breast cancers, according to a presentation at the San Antonio Breast Cancer Symposium.The GeneSearch Breast Lymph Node Assay is a viable replacement or adjunct for frozen section, and has the potential to prevent second surgeries by providing an accurate pathology assessment during the initial sentinel lymph node resection,...