Figure 2. Schematic shows lobes in a lesion, where {
1, 2, 3, 4} are four representative concave points in 
and {A1, A2, A3, A4} are the sizes of the lobes.
Figure 2. Schematic shows lobes in a lesion, where {1, 2, 3, 4} are four representative concave points in and {A1, A2, A3, A4} are the sizes of the lobes.