Slide show: Female breast anatomy

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The breast has no muscle tissue. Muscles lie underneath the breasts, however, separating them from your ribs.

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Understanding breast changes: A health guide for women. National Cancer Institute. http://www.cancer.gov/cancertopics/understanding-breast-changes/allpages. Accessed Oct. 20, 2017.
Lymph nodes and cancer. American Cancer Society. http://www.cancer.org/cancer/cancerbasics/lymph-nodes-and-cancer. Accessed Oct. 20, 2017.
Lobo RA, et al. Breast diseases: Detection, management, and surveillance of breast disease. In: Comprehensive Gynecology. 7th ed. Philadelphia, Pa.: Elsevier; 2017. https://www.clinicalkey.com. Accessed Oct. 20, 2017.
DeCherney AH, et al. The breast. In: Current Diagnosis & Treatment Obstetrics & Gynecology. 11th ed. New York, N.Y.: The McGraw-Hill Companies; 2013. http://accessmedicine.mhmedical.com. Accessed Oct. 20, 2017.
Breast density and your breast mammogram report. American Cancer Society. https://www.cancer.org/cancer/breast-cancer/screening-tests-and-early-detection/mammograms/breast-density-and-your-mammogram-report.html. Accessed Oct. 20, 2017.

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