Non-Cancerous Breast Conditions

Non-cancerous (benign) breast conditions are very common and can be found in most women. Here we review some of the signs and symptoms of benign breast conditions and how they are found and diagnosed. We also discuss some of the more common benign breast conditions. Click on the topics below to get started.

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• Non-cancerous Breast Conditions
• What is normal breast tissue and what does it do?
• Finding benign breast conditions
• American Cancer Society recommendations for early breast cancer detection
• Diagnosing benign breast changes
• Imaging tests for breast disease
• Nipple discharge exam (nipple smear)
• Biopsy
• Types of non-cancerous breast conditions
• Fibrosis and simple cysts
• Hyperplasia
• Lobular carcinoma in situ
• Adenosis
• Fibroadenomas
• Phyllodes tumors
• Intraductal papillomas
• Granular cell tumors
• Fat necrosis and oil cysts
• Mastitis
• Duct ectasia
• Other benign breast conditions
• How benign breast conditions affect breast cancer risk
• For women at increased breast cancer risk
• Additional resources
• References