NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,234 terms related to cancer and medicine.
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- stage 0 anal HSIL
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Abnormal cells are found in the mucosa (innermost layer) of the anus. These abnormal cells may become cancer and spread into nearby normal tissue. Stage 0 is also called high-grade squamous intraepithelial lesion (HSIL).