Unlike the more common breast cancers affecting glandular tissues (milk ducts and lobules), phyllodes tumors are classified as a type of sarcoma, which specifically targets the connective tissue.

The main invasive types are: Ductal carcinoma: This cancer starts in the ducts of the breast. It's the most common type of breast cancer. Lobular carcinoma: This cancer starts in the lobes of the ...

Breast cancer (malignant breast neoplasm) is a type of cancer originating from breast tissue, most commonly from the inner lining of milk ducts or the lobules that supply the ducts with milk.

Breast cancer, which occurs when cells grow out of control, can start in one or both breasts, in different parts of the organ – lobules, ducts, nipple, fat and connective tissue, blood vessels and ...

Breast cancer typically initiates from cells within the milk-producing ducts, says the Mayo Clinic. Additionally, it may originate from the glandular tissue, called lobules. In some cases ...