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Normally, no bacteria or fungi are present in the pleural fluid.
Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
Positive results may indicate that bacteria or cancer cells are present. Other tests can help identify the specific type of infection or cancer.
Broaddus VC, Light RW. Pleural effusion. In: Mason RJ, Murray J, Broaddus VC, Nadel J, eds. Textbook of Respiratory Medicine. 4th ed. Philadelphia, Pa: Saunders Elsevier;2005:chap 68.
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