According to the American Cancer Society, when breast cancer is detected early and is in the localized stage, the 5-year relative survival rate is 99%. Early detection includes doing monthly breast self-exams and scheduling regular clinical breast exams and mammograms.” – The National Breast Cancer Foundation.
 
For more information regarding early detection, click on the link provided: https://www.nationalbreastcancer.org/early-detection-of-breast-cancer/