Subgross Morphology, the Sick Lobe Hypothesis, and the Success of Breast Conservation
Figure 1
The three basic growth patterns of in situ carcinoma within the sick breast lobe. Upper left: the peripheral pattern; upper right: the segmental pattern; lower image: the lobar pattern. The structures involved by in situ carcinoma, corresponding to the extent of the disease, are marked in the series of images on the right-hand side.
