Stage 3 Squamous Cell Carcinoma

Stage 3 squamous cell carcinoma is the fourth stage of this common form of skin cancer, which begins in the squamous cells. These cells, or keratinocytes, make up the outer layer of the skin. At this stage the cancer has started to spead past the skin into nearby tissue, bone and lymph nodes. Learn more about the symptoms and treatment of stage 3 squamous cell carcinoma, including Mohs surgery, with expert advice from Sharecare.