fibroadenoma

fibro- +‎ adenoma

fibroadenoma (plural fibroadenomas or fibroadenomata)

1. (pathology) A benign tumour of the breast
   • 2015 July 2, Mesnage R, Defarge N, Rocque L-M, Spiroux de Vendômois J, Séralini G-E, “Laboratory Rodent Diets Contain Toxic Levels of Environmental Contaminants: Implications for Regulatory Tests”, in PLOS ONE‎, volume 10, number 7, DOI:10.1371/journal.pone.0128429:

     For instance, the incidence of mammary fibroadenomas among populations of Charles River Sprague-Dawley females ranged from 13 to 62% [3 ].

• adenofibroma