Research Article

A Pilot Study of a Novel through-the-Scope Self-Expandable Metallic Airway Stents Delivery System in Malignant Central Airway Obstruction

Figure 3

(a, c) The mMRC dyspnea grade of patients before and after TTS stent implantation. (b, d) The stenosis rate of all patients before and after TTS stent implantation. (e–h) CT scan and TTS stent implantation in a esophageal cancer patient six months after operation. (i–l) CT scan and TTS stent implantation in a thyroid cancer patient caused trachea extrinsic compression #.