A biopsy is taken from a patient who has a Breast lump

A biopsy is taken from a patient who has a breast lump. The tissue is sectioned and stained with hematoxylin and eosin. When the pathologist examines it she sees that the epithelial lining of the alveoli is one to two layers thick and appear flattened.

The stroma of the mammary tissue is extensive and contains fibroblasts with fat cells and connective tissue.

The most likely diagnosis of this biopsy is: Metastatic breast cancer Luminal hyperplasia Fibroadenoma Ductal hyperplasia Question 28 (1 point) Proteases, including metalloproteinases are important in cancer because they are associated with tumour metastasis. Which of the following statements is true in relation to the metalloproteinases?

Stromelysin is a type of metalloproteinase Of all the proteases, metalloproteinases are always upregulated in cancer cells Metalloproteinases are a type of serine protease that is secreted by cells Metalloproteinases act within cancer cells to promote their metastasis