In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Cancer Terms

Page Options

  • Print This Page

Widget

NCI Dictionary of Cancer Terms



stage 0 nonmelanoma skin carcinoma in situ  listen  (... non-MEH-luh-NOH-muh skin KAR-sih-NOH-muh in SY-too)

  Abnormal cells are found in the squamous cell or basal cell layer of the epidermis (topmost layer of the skin). These abnormal cells may become cancer and spread into nearby normal tissue. Also called nonmelanoma carcinoma in situ.

More Information

Enlarge
Stage 0 nonmelanoma skin carcinoma in situ; drawing shows skin anatomy with abnormal cells in the epidermis (outer layer of the skin). Also shown are the dermis (inner layer of the skin) and subcutaneous tissue below the dermis.