A firm, round lump in breast tissue could be a fluid-filled cyst. Typically not cancerous, breast cysts often need no treatment.
Based on the findings of the clinical breast exam and imaging tests, you may need fine-needle aspiration or a breast biopsy. Breast ultrasound can help your doctor determine whether a breast lump is fluid-filled or solid. If fluid comes out and the breast lump goes away, your.
Learn about breast cysts, how to tell if a lump is a cyst instead of a tumor, and what to do if you have fibrocystic breasts.