For example, the outlier lesion can be larger and darker than the surrounding moles (Figure 1 A), or conversely, small and red in the background of multiple large dark moles (Figure 1 B).

C stands for color change — if it starts to darken, become black, grey or blue. D is for diameter, so if it’s increasing [in size].” My rogue mole, located on my inner bicep, was looking ...