,INDICATIONS FOR SURGERY,The patient is a 50-year-old white male with history of progressive tracheomalacia treated in the National Tennessee, and several years ago he had a tracheal metallic stent placed with some temporary improvement. 
,INDICATIONS FOR SURGERY , The patient is a 50 - year - old white male with history of progressive tracheomalacia treated in the National Tennessee , and several years ago he had a tracheal metallic stent placed with some temporary improvement .