Lesion from hormones
The breast is a glandular organ, susceptible to the effect of exogenous hormones.
Lesions like fibroadenomas identified as having smooth margins with possible chunky and not microCa++ present. Benign lymph nodes and various cystic lesions are also seen which can be identified as benign. When questionable, needle aspiration or MRI of breast can be performed. Such lesions are not precancerous.