Figure 2
From: Clinical outcomes of self-expandable metallic stents for malignant obstructive atelectasis

Operation of Y-type airway stents implantation. (a) Transcatheter airway angiography showed that left main bronchus was occluded and two stiff guide wires were introduced to both sides of bronchus. (b) The left lung permeability was increased under fluoroscopy immediately after placement of Y-shaped airway stent.