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The self-expandable stainless steel stents (Gianturco, William Cook, Bjaeverskov, Denmark) used extensively in biliary ducts and the vascular system have recently been modified for use in the tracheobronchial tree. Between March 1991 and September 1992, six patients with unresectable tracheobronchial and mediastinal diseases were treated with the placement of one or more self-expanding stents under direct vision with a fiberoptic bronchoscope. All patients had been intubated for severe respiratory insufficiency. In all cases, immediate relief of respiratory symptoms was achieved and all patients were extubated 1 or 2 days after stent placement. Tolerance of the stents was excellent. No patient complained of pain, discomfort, or foreign body sensation. No infection or obstruction of the stents was observed. The chest roentgenogram and the bronchoscopies performed during follow-up have shown no change in …