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What is stage 4 squamous cell carcinoma?

Stage 4 squamous cell carcinoma is the fifth and final stage of development of a relatively common type of skin cancer. It begins in the squamous cells, or keratinocytes, which are the major cells that make up the outer layer of skin. Stage 4 squamous cell carcinoma causes scaly, red patches to form on skin, often in sun-exposed areas like the face and neck. In stage 4, squamous cell carcinoma has spread past the skin and into nearby tissue, bone, lymph nodes, and other organs throughout the body.

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How is stage 4 squamous cell carcinoma diagnosed?
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The first step in diagnosing stage 4 squamous cell carcinoma is usually a physical exam that include...
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How do medications treat stage 4 squamous cell carcinoma?
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If medications are used to treat stage 4 squamous cell carcinoma, it's usually in addition to other ...
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What causes stage 4 squamous cell carcinoma?
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Stage 4 squamous cell carcinoma begins in the squamous cells, or keratinocytes, which make up the ou...
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What increases my risk for stage 4 squamous cell carcinoma?
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The most significant risk factor for stage 4 squamous cell carcinoma is leaving earlier stages of sq...
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