Breast bi-rads grade 3 means that a mass found in the breast during breast imaging is considered more likely to be a benign tumor, with less than 2% chance of malignancy. Short-term follow-up is recommended. If you are too worried, you can choose to take a biopsy and send it for pathological examination. The tumor of this classification is more common is breast fibroadenoma, touching the breast can find smooth edge, clear boundary, good mobility lumps, breast fibroadenoma growth is relatively slow, general ultrasound follow-up observation can be, the only treatment is surgery to remove. The bi-rads classification of the breast is a preliminary criterion for grading the degree of benignity and malignancy of a breast lump found in the breast during an imaging examination and after assessing all aspects of the lump. This classification does not confirm the diagnosis, the final method to confirm the diagnosis is pathological examination, try to visit the hospital and let the doctor judge according to the specific situation.