Fig. 1

Invasive ductal carcinoma of no special type surrounding the smooth muscle bundles of the nipple-areola complex (100X) (a). Higher magnification of (a) (200X) (b). Invasive lobular carcinoma surrounding the smooth muscle bundles of the nipple-areola complex (100X) (c). Distribution of the tumour types included in the study in relation to nipple-areola complex involvement (d)