ICU Chest Films > Lung Processes > Atelectasis > Right Upper Lobe

Right Upper Lobe Atelectasis

Right upper lobe atelectasis is easily detected as the lobe migrates superomedially toward the apex and mediastinum. The minor fissure elevates and the inferior border of the collapsed lobe is a well demarcated curvilinear border arcing from the hilum towards the apex with inferior concavity. Due to reactive hyperaeration of the lower lobe, the lower lobe artery will often be displaced superiorly on a frontal view.

The arrows point to the horizantal fissure. Notice the normal position of the pulmonary arteries in this patient.

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