This cohort study investigates the association of hormone receptor status and first-line endocrine therapy with survival among patients with hormone receptor–positive (HR+) and human epidermal growth factor receptor 2–positive (ERBB2+… Click to show full abstract
This cohort study investigates the association of hormone receptor status and first-line endocrine therapy with survival among patients with hormone receptor–positive (HR+) and human epidermal growth factor receptor 2–positive (ERBB2+ metastatic breast cancer.
               
Click one of the above tabs to view related content.