Cotton&;s grading is used for
Correct Answer: Subglottic stenosis
Description: Subglottic stenosis is graded according to the Cotton-Myer classification system from one to four based on the severity of the blockage. Grade 1 - <50% obstruction Grade 2 - 51-70% obstruction Grade 3 - 71-99% obstruction Grade 4 - no detectable lumen Ref: Internet sources- Wikipedia
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