Joon Yoo

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1. Introduction Breast cancer accounts for over 11.6% of all cancer cases globally, making it the second most prevalent cancer category out of more than 200. It ranks first globally and is the most common cancer in women. Worldwide, over 6844 women lost their lives to breast cancer in 2020, with an estimated 2,300,000 new cases identified that year [,]. Metastatic (later) breast cancer has a much lower 5-year survival rate (15%) compared to early-stage (90%) diagnoses [].