what is a eds squamous cell carcinoma
What is Squamous Cell Carcinoma in Situ? 1 What is Squamous Cell Carcinoma in Situ? Squamous Cell Carcinoma in Situ, also called as Bowenâs Disease, is the early stage of skin cancer. In case you are wondering what âin Situâ means, it means that the cancer affects the uppermost layer of the skin; it does not affect the underlying healthy tissues.