Background: Breast cancer is a global health problem - it is the most common malignancy among women. Triple negative breast cancers (TNBC) account for 10-20% of female breast cancer. Most TNBC cases confer poor prognosis. Brain metastasis
Triple-negative breast cancer (TNBC) is one of the most invasive subtypes of breast cancer with high rates of visceral metastases and recurrence. Choroid plexus metastasis from breast cancer is infrequent despite a high incidence of brain parenchymal