Bronchoscopy was negative for malignancy. A repeat chest CT study acquired 3 months later showed collapse of the right upper lobe obscuring the previously noted nodule. There was no mediastinal ...

For example, the right upper lobe contributes approximately 20%, the right middle lobe around 10%, and the right lower lobe about 30%. Similarly, the left upper lobe contributes around 25%, and the ...

The most common area for the loss of treatment effect was the left upper lobe (16 patients), followed by the left lower lobe (14 patients), right lower lobe (10 patients), right upper lobe (8 ...

usually found in the upper lobe of the lung. When a bleb ruptures the air escapes into the chest cavity causing a pneumothorax (air between the lung and chest cavity) which can result in a collapsed ...