Real-World Outcomes of First-Line Pertuzumab, Trastuzumab, and Taxane in HER2-Positive Metastatic Breast Cancer in Costa Rica: A Multicenter Retrospective Study

哥斯达黎加HER2阳性转移性乳腺癌一线帕妥珠单抗、曲妥珠单抗和紫杉烷类药物治疗的真实世界疗效：一项多中心回顾性研究