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(A) Progression‐free survival of the patients with pyrotinib combined with capecitabine (n = 70) and pyrotinib combined with vinorelbine (n = 28); (B) Progression‐free survival of HR‐/HER2‐positive patients with pyrotinib combined with chemotherapy (n = 81) and pyrotinib combined with endorinotherapy (n = 14).
