In a simple definition, cancer is a disease of the cells, which is caused by gene mutations. For a proportion of patients, including women with hormone receptor positive breast cancer, gene expression profiling has a substantial impact on treatment decision-making by determining which patients might—or might not—respond to particular treatment options.
Love them or hate them, site visits have been a part of the culture of NCI-designated cancer centers for decades, shaping the process for admitting members to the elite club and influencing internal politics within institutions.
