Awasome Malnoma References. Normal melanocytes are found in the basal layer of the epidermis (outer layer of skin). There are different types of cancer that start in the skin.
Superficial spreading melanoma, nodular melanoma, lentigo maligna melanoma and acral lentiginous melanoma (2) (fig. Spot that looks like a new mole, freckle, or age spot, but it looks different from the others on your skin. Melanoma can occur anywhere on the skin.
