Breast Cancer Diagnosis Exercise Behavior Breast Cancer Survival All Cause Survival Next Fill With Random Data Clear Data Age at breast cancer diagnosis (in years) 50–54 55–59 60–64 65–69 70–75 Unsure or Unknown Breast cancer stage at diagnosis I II III Unsure or Unknown Human Epidermal Growth Factor Receptor 2 (HER2) Negative Positive Unsure or Unknown Estrogen Receptor (ER) and Progesterone Receptor (PR) status ER and/or PR positive ER and PR negative Unsure or Unknown Treatments received Chemotherapy, hormonal therapy, and HER2-targeted therapy Chemotherapy only Chemotherapy and hormonal therapy Chemotherapy and HER2-targeted therapy Hormonal therapy only No treatment Unsure or Unknown Weight status (body mass index range) Obese (≥30.0kg/m²) Overweight (≥25.0-<30.0kg/m²) Normal weight (≥18.5–<25.0kg/m²) Underweight (<18.5kg/m²) Unsure or unknown Previous Next Please complete the required questions before continuing.