Skin cancers present as ulceration or growth over skin, pigmentation or mole which starts increasing suddenly, lymph node enlargement or swelling etc. Since skin is external organ most problems are identified easily unless ignored. One of the risk factors is ultraviolet radiation exposure, one should avoid too much exposure and use sunscreen. Black skin people are naturally protected due to pigment melanin in our skin. Limit use of chemicals over skin directly and any ulceration or infection should be promptly treated.
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