Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low which leads to bronchovascular crowding . There is a focal opacity at the periphery of the left upper lobe projecting over the anterior second rib . The cardiac silhouette is within normal limits . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Focal opacity at the periphery of the left upper lobe projecting over the anterior second rib . This may represent a consolidation although it is difficult to evaluate given low lung volumes . Repeat AP and lateral views with better inspiration is recommended .