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 medullary thyroid carcinoma in situ  listen  (... MED-yoo-LAYR-ee THY-royd KAR-sih-NOH-muh in SY-too)

  No tumor is found in the thyroid but abnormal cells are found by screening tests. These abnormal cells may become cancer and spread into nearby normal tissue.