Clinicopathological features and prognosis of breast cancer combined with symptomatic bone marrow metastases: A 10-year, single-center, real-world study of 67 cases.

BMM should be considered in BC patients with BM, an unexplained reduction in hemogram parameters, especially anemia and thrombocytopenia, and/or fever without chills. Active, effective, individualized treatment strategies can prolong BMMOS.