Figure 3.
Haematoxylin and eosin (magnification 40×)—stained sections of specimen obtained with VAB show FEA. A few layers of columnar epithelial cells, with low-grade cytologic atypia, replace the normal ductal epithelium of the terminal duct lobular unit. FEA, flat epithelial atypia; VAB, vacuum-assistedbreast biopsy.