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Organs most frequently affected by cystic fibrosis

Cystic fibrosis causes mucus to become thick and sticky, which can block the normal function of the organs. Most often, the lungs and pancreas are affected.

Primary Medical Reviewer Michael J. Sexton, MD
- Pediatrics
Specialist Medical Reviewer Susanna McColley, MD
- Pediatric Pulmonology
Last Updated June 26, 2007

WebMD Medical Reference from Healthwise

Last Updated: June 26, 2007
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