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Dictionary of Cancer Terms

View in Spanish: Tumor de células de los islotes

Islet cell tumor (I-let sel TOO-mer)
A mass of abnormal cells that forms in the endocrine (hormone-producing) tissues of the pancreas. Islet cell tumors may be benign (not cancer) or malignant (cancer).

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.