Hello, a couple of days ago, I noticed a sudden appearance of a mole on my back, it's black and red in colour, the black part is intact but, what's scary is the red part : the reddish part is increasing in its size, slowly. There isn't any pain, but when I touch it, a sensation arises, like that mole is "being touched." P.s. my paternal family has a history of cancer, my father had cancer too, lymphoma, he is well now. His treatment was completed in Jan 2021.