NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,352 terms related to cancer and medicine.
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- chronic disease
- listen (KRAH-nik dih-ZEEZ)
- A disease or condition that usually lasts for 3 months or longer and may get worse over time. Chronic diseases tend to occur in older adults and can usually be controlled but not cured. The most common types of chronic disease are cancer, heart disease, stroke, diabetes, and arthritis.