Figure 3. Categories of morphological pattern. M0, no significant pattern observed; M1, linear or linear-branched enhancement; M2, segmental dotted or granular enhancement; M3, segmental homogeneous enhancement; M4, focal spot-like enhancement.
Figure 3. Categories of morphological pattern. M0, no significant pattern observed; M1, linear or linear-branched enhancement; M2, segmental dotted or granular enhancement; M3, segmental homogeneous enhancement; M4, focal spot-like enhancement.