Yours is a Mole which are generally a uniform color, brown or black, with a distinct border . Shape may be oval or round and usually smaller 5-6 mm. Melanoma
is a cancer of pigment cells (melanocytes) and is a form of skin cancer
. Melanoma doesn't always begin as a mole. It can also occur on otherwise normal-appearing skin. They are asymmetrical irregular shapes, irregular , notched or scalloped borders with many and uneven distribution of color and increasing in size with new growth larger than 6 mm and changes over time, with scaliness, itching, ,spreading of pigment from the mole into the surrounding skin, oozing or bleeding. Person having more tham
are having more risk of developing Melanom. Common Mole showing changes in color, size, shape with indistinct border is said to have dysplatic change(Dysplatic Mole) may turn to Melanoma.