Micropapillary Breast Cancer: A Rare, Aggressive Subtype
Micropapillary breast cancer, a rare and aggressive subtype, is characterized by its unique growth pattern of small, finger-like projections. It is associated with a high risk of recurrence, metastasis, and poor prognosis. Histologically, micropapillary carcinoma can present as invasive, non-invasive, mixed, or hyperplasia variants. Its molecular profile often includes HER2 positivity and ESR1/PR negativity, making…