Breast cancer is a complex disease that occurs when abnormal cancerous cells in the breast grow uncontrollably, forming tumors. This condition typically originates in the ducts or lobules of the breast. Various signals, including hormonal signals, often influence the growth of cancer cells. Understanding the specifics of estrogen receptor-positive (ER+) breast cancer is crucial for grasping its market dynamics, treatment options, and future outlook.
According to DelveInsight, the total incident population of newly diagnosed ER+ breast cancer in the United States was 256K in 2021, and in 2023, it was 297K. Among the various subtypes of the disease, ER+/HER2 represen...