PMC4532013_01
Bronchoscopic findings Complete tracheal rings without posterior membranous portions.
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Complete cartilaginous ring without posterior membranous portion was found on the entire trachea (Fig. 1).
Chest PA findings Long-segment tracheal stenosis, low level of carina, right mediastinal buldging.
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The plain chest X-ray showed a right mediastinal mass-like density and a long-segment tracheal narrowing (Fig. 2).
Chest CT findings Anomalous left pulmonary artery originating from the right pulmonary artery and crossing between the trachea and the esophagus toward the hilum of the left lung.
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The Chest CT revealed the anomalous left pulmonary artery originating from the right pulmonary artery and its posterior course between the trachea and the esophagus (Fig. 3).