This is not a bruise: it is one of the most aggressive skin tumors, and many people mistakenly consider it a simple bump.
We’ve all experienced a sudden bruise that appears on our skin without us even remembering how we got it. Sometimes we think we hit ourselves without realizing it, or that it happened because of a bad dream. But what happens when that supposed “bruise” doesn’t go away, changes color, grows, or even starts to hurt?…