Back to top Menu. A lump may be malignant cancerous or precancerous , but there are several types of breast lumps that are benign non-cancerous. Foreign Body Reactions Foreign materials, such as silicone and paraffin, which are used for both breast augmentation and reconstruction after cancer surgery, may cause a foreign body-type granulomatous reaction in the breast. Cysts: These are fluid-filled lumps in your breasts that may be tender when you touch them.
See your doctor if you have any breast changes
Surgery and biopsies are done at a hospital. Magnitude and laterality of breast cancer risk in women with atypical hyperplasia of ductal and lobular types. Benign Breast Conditions What are benign breast conditions?