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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Stage 4 Squamous Cell Carcinoma

Stage 4 Squamous Cell Carcinoma

Stage 4 squamous cell carcinoma is the final stage of this common form of skin cancer. Squamous cell carcinoma begins in the squamous cells, or keratinocytes, which make up the outer layer of the skin. By this stage, the cancer ha...

as spread to lymph nodes, bones, nearby tissues and other organs in the body. Treatment varies, depending on the size of the tumor and how far the cancer has spread. Learn more about diagnosing and treating stage 4 squamous cell carcinoma with expert advice from Sharecare.
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