What Does Diffuse Fibroadenosis In Both Breast Found In Mammography Mean?

I feel breast lump i take mammography they finding radio opaque in the supero-lateral quadrant of Rt. breast with few peripheral small macro- calcifications.Few other small macro- calcifications are seen in both breast. No irregular mass lesion/ macro calcifications seen in either breasts.There is no skin thickening or nipple retraction. U/S . Performed on a duplex scanner. Awell defined hypoechoic nodule measuring 2.5 x1.3cm seen in 9 30 O clock in RT.breast It shows few small peripheral macrocalcifcation. It appear wider than taller. It show minimal vasculariy. Another similar smaller lesion measuring 9x6mm. Other fibroadenotic.no evidence of any other irregular focal cystic or solid lesion noted. Both auxiliary tails normal. Sub- areolar not show any abnormal ductal dilatation. Prominent. Bilateral axillary LNs are seen with no thickening or cortex and preserved hila. Diffuse fibroadenosis in both breast. Fibroadenomas in right breast .... My age 51 and no family history of breast or overy or colon cancer.