摘要: Abstract A wide spectrum of benign changes may occur within breast tissue. These inlcude non-neoplastic conditions such as fibrocystic change and neoplasms (tumours). Conditions are very common in middle-aged elderly women, but vary enormously degree extent between individuals. Fibroadenomas causes masses young women. Benign clinically simulate malignancy therefore result the requirement for pathological examination tissue part ‘triple assessment’ (i.e., diagnostic process patients with potential disease). It is essential that pathologists can identify these accurately. disease not require surgical treatment over above needed to confirm diagnosis, some forms cellular (e.g. florid epithelial hyperplasia, radial scar, intraduct papilloma) be associated co-existent (i.e. cancer) and/or an increased risk subsequent malignancy.