1. Volume 118, Issue 4, Pages 959-965 (October 2000)
Implantation of Ultraflex Nitinol Stents in Malignant Tracheobronchial Stenoses 
Miyazawa Teruomi , MD, FCCP, Yamakido Michio , MD, FCCP, Ikeda Sadao , MD, FCCP, Furukawa Kinya , MD, Takiguchi Yuichi , MD, Tada Hirohito , MD, Shirakusa Takayuki , MD 
CHEST 
Volume 118, Issue 4, Pages (October 2000)
DOI: /chest
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Bronchoscopic images before and after implantationof the Ultraflex stent. Left: extrinsic compression of the trachea. Right: uncovered Ultraflex stent(diameter/length, 16/60 mm) in place.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Three-dimensional CT images before and afterimplantation of Ultraflex stents. Left: extrinsiccompression of the trachea and left mainstem bronchus.Right: uncovered Ultraflex stents in place(diameter/length, 16/80 mm and 12/40 mm, respectively). Both luminawere patent.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Degree of tracheobronchial obstruction before andafter implantation of the Ultraflex stent. * = p<0.001 before vsday 1, day 30, and day 60.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

5. Figure 4
Flow volume loop before and after implantation of the Ultraflex stent. Left: before implantation.Right: immediate improvement of flow limitation afterimplantation is shown.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions

6. Figure 5
Survival curves after implantation of the Ultraflex stent. The median survival time of patients was 3 months. The1-year survival rate was 25.4%.
CHEST  , DOI: ( /chest )
Copyright © 2000 The American College of Chest Physicians Terms and Conditions