Breast biopsy is a procedure for taking samples of tissue from the breast to detect abnormalities. This procedure is also performed to evaluate whether a lump in the breast is malignant or cancerous. Tissue samples taken from breast biopsy are used to detect abnormalities in breast cells that cause lump formation. The cells or tissue taken will be examined in a laboratory to determine whether breast cancer is present. A breast biopsy is also performed to determine whether you need a surgical procedure or other treatment. Reasons for breast biopsy need to be done The doctor will usually recommend to do a breast biopsy if you find a lump in the breast during physical examination. However, it should be understood that breast lumps are not always cancerous. Aside from the lump, a breast biopsy is also recommended when the doctor sees anything suspicious about the results of breast ultrasound or a mammogram. If the following symptoms or signs are found, the doctor needs to do a breas