Assertion: cystic fibrosis's mucus | /r/CapableOf | clog gastrointestinal tract
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text: Cystic fibrosis (CF), also called mucoviscidosis, formerly cystic fibrosis of the pancreas, an inherited metabolic disorder, the chief symptom of which is the production of a thick, sticky mucus that clogs the respiratory tract and the gastrointestinal tract.