Breast cancer is a malignant tumor that originates in the cells of the breast. It occurs when abnormal breast cells grow uncontrollably, often forming a lump or mass. Though most common in women, men can also develop breast cancer.
Non-invasive, confined to ducts.
Most common, spreads beyond the ducts.
Begins in lobules and can spread.
Lacks estrogen, progesterone, and HER2 receptors.
Overexpression of HER2 protein.
Rare, aggressive, causes swelling/redness.
Affects the skin of the nipple/areola.
Cancer that has spread beyond the breast.
While exact causes are often unclear, breast cancer usually results from a combination of:
Treatment depends on the type, stage, and patient’s health. Common options include:
Lumpectomy (removal of tumor)
Mastectomy (removal of one or both breasts)
To confirm diagnosis
To check for cancer spread
Mammogram, Ultrasound, MRI, PET/CT
Lumpectomy, Mastectomy
Optional, after mastectomy