Fig. 5

Sample cores of breast cancer specimen stained for ALDH1A3. Sample cores are shown at 10× (upper row) and 25× (lower row). Cores were scored based on the highest staining observed: Core one (left) with 40% of the cells staining “+ 1” and 60% staining “0” was scored “+ 1.” Core two (right) with 80% of the cells staining “+ 1” and 20% staining “+ 2” was scored “+ 2”. Scale bars = 100 μm