Over time, Cancer cells can invade nearby healthy breast tissue and make their way into the underarm lymph nodes, small organs that filter out foreign substances in the body. If Cancer cells get into the lymph nodes, they then have a pathway into other parts of our body.
Risk of Breast Cancer
Cancer risk increases after the age of 55 years.
If there is a family history then the risk of Breast Cancer doubles specially if first degree female relative is diagnosed of Breast Cancer.
About 5-10% Breast Cancer are genetic.
Radiation to breast or face before age of 30.
Certain benign breast conditions.
Having a late pregnancy, first child after 30 yrs.
No Breast- feeding.
Early periods (before 12 years) and late menopause (after 55 years).
Undergoing hormone replacement therapy.
Lack of exercise.
Breast Cancer Screening
The lifetime risk of a woman developing Breast Cancer in 1940 was 5%, the risk is now 13.4%. Thus it is very important that every woman should undergo proper screening. Screening includes self breast examination and regular Mammograms. The effectiveness of any Breast Cancer screening program will depend on how often women are screened, compliance with screening recommendations,and the quality of the screening test.