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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



SCID  listen 

  A rare, inherited disease that is marked by a lack of B lymphocytes (white blood cells that make antibodies and help fight infections) and a lack of T lymphocytes (white blood cells that attack virus-infected cells, foreign cells, and cancer cells). Patients with this disease have a high risk of developing viral, bacterial, and fungal infections. Also called severe combined immunodeficiency disease.