Overall Survival with Palbociclib and Fulvestrant in Advanced Breast Cancer

In 2018, approximately 266,000 new cases of breast cancer are estimated to occur in women in the United States, with 41,000 deaths. Of these, hormone-receptor–positive breast cancer is the most common disease subtype. The cyclin-dependent kinases 4 and 6 (CDK4/6) are key promoters of tumor growth…

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