Overview
This is an observational case-control study of tissues collected from women with ER+HER2- breast cancers. The immune environments of these cancers will be compared to triple negative and HER2+ breast cancers. No randomization or changes to standard of care treatment will occur as part of the study.
Eligibility
Inclusion criteria:
Women 18 years of age or older with non-metastatic breast cancer undergoing surgical resection in the University of Pennsylvania Health System. Exclusion criteria: Males Children Pregnant individuals