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Tracheal trifurcation

Tracheal trifurcation
Computed tomography (CT) scan with coronal multiplanar reformation shows a large tracheal bronchus supplying the entire right upper lobe (arrow) and a small bronchus intermedius coursing caudally (thick arrow). Incidental note is made of nonspecific interstitial pneumonia in the lung parenchyma.
Courtesy of Paul Stark, MD.
Graphic 127981 Version 1.0