Definition:
Breast cancer develops from the cells of the breast, commonly in the ducts or lobules. It is the most diagnosed cancer in women globally.

Causes:

  • Hormonal factors, including estrogen exposure.

  • Genetic mutations (e.g., BRCA1 and BRCA2).

  • Family history of breast or ovarian cancer.

  • Obesity and sedentary lifestyle.

  • Alcohol consumption.

Symptoms:

  • Lump or thickening in the breast or underarm.

  • Changes in breast shape or size.

  • Skin dimpling or nipple retraction.

  • Nipple discharge, sometimes blood-stained.

  • Persistent breast pain or redness.

Diagnosing:

  • Mammograms and breast ultrasound.

  • MRI for detailed imaging.

  • Biopsies: Fine needle, core needle, or surgical.

  • Genetic testing for high-risk individuals.

Treatment:

  • Surgery: Options include lumpectomy and mastectomy.

  • Radiation Therapy: Targeted to the affected area.

  • Systemic Therapies:

    • Hormonal therapy for receptor-positive cancers.

    • Chemotherapy for aggressive cases.

    • Targeted drugs like trastuzumab for HER2-positive cancers.

Prevention Tips:

  • Regular self-examinations and clinical check-ups.

  • Maintain a healthy weight and active lifestyle.

  • Limit alcohol and avoid smoking.

  • Breastfeeding offers protective effects.

Conclusion:
Advancements in breast cancer detection and treatment have improved survival rates. Awareness and early intervention remain crucial.