<prompt> Which of the following is a triple negative breast cancer -Colloid CancerSecretory cell cancerAcinic Cell CarcinomaMucinous Carcinoma  <response>: Answer- B. Secretory cell cancerUpon histologic examination, triple-negative breast tumors mostly fall into the categories of secretory cell carcinoma or adenoid cystic types both considered less aggressive; medullary cancerc and grade 3 invasive ductal carcinonas with no specific subtype; and highly aggressive metastatic cancer. 