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Skin cancer on an elderly man's scalp. This is a basal cell carcinoma (BCC), or rodent ulcer, of the skin. This is the most common form of skin cancer among fair-skinned people. BCCs are slow-growing, malignant (cancerous) skin tumours that are thought to arise from basal cells in hair follicles. They are particularly likely to grow on areas of skin which have seen the most sun exposure, such as the face, head or neck. BCCs very rarely metastasise (spread) to other body tissues. Treatment is by surgical removal of the tumour.
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