Enlarged axillary nodes for 2 years. u.s. says fatty hilum thin cortex, findings a year ago. still enlarged. 3d mammogram of breast is bi rad 1.

Axillary node ?'s: Axillary lymph nodes can enlarge due to multiple causes, and once enlarged, seldom revert to normal. A "mammogram BI-RAD 1" result is normal and does not require a biopsy. If there is breast cancer in your immediate family history (mother, sister, grandmother) to be certain an MRI may be required, which is more accurate than even digital mammography.