Biospecimen and Medical Data Collection and Tumor Biopsy in Creating Research Tissue Registry in Patients With Inflammatory or Invasive Breast Cancer

Inclusion Criteria: * Patients with clinical diagnosis of primary inflammatory breast cancer (IBC), second primary IBC, or highly suspicious for IBC (MD Anderson patients only). * Histological diagnosis of invasive breast cancer, or highly suspicious for IBC (MD Anderson patients only) but pending breast cancer diagnosis. * Be either newly diagnosed, or highly suspicious for IBC (MD Anderson patients only) \[Cohort I\] or have paraffin blocks or up to 20 unstained slides of each representative block(s) from the time of initial diagnosis of IBC(i.e. core biopsy and punch biopsy) and/or from mastectomy (Cohort II-MD Anderson patients only) * Age \> 18 years * Able to provide informed consent Exclusion Criteria: