in relation to the breast, is a lump, both smooth and firm, made up of fibrous and glandular tissue. These are generally not cancerous and are more common in younger women and may become tender in the days before a period or grow bigger during pregnancy.

a common benign growth that is usually only 2 to 4 cm in diameter although in some cases they can be up to 10 to 15 cm

benign tumours containing both fibrous and glandular elements