Should I undergo mammography to reduce risk of breast cancer?

Enter values to determine my risk:
1. ductal carcinoma in situ (DCIS) or lobular carcinoma in situ (LCIS) or have you received previous radiation therapy to the chest for treatment of Hodgkin lymphoma?  
 
2.  
 
3.
This tool only calculates risk for women 35 years of age or older.
 
 
4. menstrual period?  
 
5.  
 
6.  
 
7a.  
 
7b. atypical hyperplasia?  
 
8.  
 
Format: Facts Box NCI

References

  1. Nelson HD, Cantor A, Humphrey L, Fu R, Pappas M, Daeges M, Griffin J. Screening for Breast Cancer: A Systematic Review to Update the 2009 U.S. Preventive Services Task Force Recommendation [Internet]. Rockville (MD): Agency for Healthcare Research and Quality (US); 2016 Jan. Available from http://www.ncbi.nlm.nih.gov/books/NBK343819/ PMID: 26889531
  2. Nelson HD, Fu R, Cantor A, Pappas M, Daeges M, Humphrey L. Effectiveness of Breast Cancer Screening: Systematic Review and Meta-analysis to Update the 2009 U.S. Preventive Services Task Force Recommendation. Ann Intern Med. 2016 Feb 16;164(4):244-55. PMID: 26756588
  3. Oeffinger KC, Fontham ET, Etzioni R, Herzig A, Michaelson JS, Shih YC, et al; American Cancer Society. Breast Cancer Screening for Women at Average Risk: 2015 Guideline Update From the American Cancer Society. JAMA. 2015 Oct 20;314(15):1599-614. PMID: 26501536
  4. Gotzsche PC, Jorgensen KJ. Screening for breast cancer with mammography. Cochrane Database Syst Rev. 2013 Jun 4;6:CD001877. PMID: 23737396
  5. Costantino JP, Gail MH, Pee D, Anderson S, Redmond CK, Benichou J, Wieand S, Validation studies for models projecting the risk of invasive and total breast cancer incidence. J Natl Cancer Inst 1999; 91:1541-1548 PMID: 10491430.
  6. Nelson HD, Pappas M, Cantor A, Griffin J, Daeges M, Humphrey L. Harms of Breast Cancer Screening: Systematic Review to Update the 2009 U.S. Preventive Services Task Force Recommendation. Ann Intern Med. 2016 Feb 16;164(4):256-67. PMID: 26756737.

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