Image Collection: Noncancerous, Precancerous and Cancerous Tumors
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2. Picture of Less Common Skin Cancers
Uncommon types of skin cancer include Kaposi's sarcoma, mainly seen in people with weakened immune systems; Merkel cell carcinoma, which is usually found on sun-exposed areas on the head, neck, arms and legs but often spreads to other parts of the body; and sebaceous gland carcinoma, an aggressive cancer originating in the oil glands in the skin.
Text: WebMD Health Tool: "Precancerous Skin Lesions and Skin Cancer Picture Slideshow"
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