a nasal polyp is a soft body tissue formed into a ball form.
Nasal polyp's are usually found in the nose or in the colon. Nasal
polyp's can be removed by surgery or laser surgery. Polyps can
cause blockage in your nose if it is in the nasal area.
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Nasal patentency refers to lack of nasal obstruction; a patent
nostil means there is nothing occluding the airway like a nasal
polyp --> nasal airway is clear is it is patent