The expression of Dicer and Drosha in matched normal tissues, tumours and lymph node metastases in triple negative breast cancer

Breast cancer is the most common malignancy in women world-wide. Triple negative breast cancer (TNBC) is a highly aggressive subtype that lacks expression of hormone receptors for estrogen, progesterone and human epidermal growth factor 2; and is associated with a high propensity for metastatic spread.