Breast cancer is a type of cancer that begins in the cells of the breast. The exact causes of breast cancer are not fully understood, but some potential risk factors include age, gender, family history, certain genetic mutations, and exposure to estrogen. Symptoms of breast cancer may include a lump or thickening in the breast, changes in breast size or shape, and nipple discharge. Diagnosis is typically made through imaging tests and biopsy, and treatment may involve surgery, radiation therapy, chemotherapy, hormonal therapy, or targeted therapy depending on the stage and type of the cancer. Regular breast cancer screening with mammograms and clinical breast exams can help detect the cancer early when it is most treatable.

 

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