Dukes classification
(dooks KLA-sih-fih-KAY-shun)
A staging system used to describe the extent of colorectal cancer. Stages range from A (early stage) to D (advanced stage).
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.