Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , which leads to bronchovascular crowding . No focal consolidation is identified . The cardiac silhouette is moderately enlarged , which is further exaggerated by lordotic view . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . Osseous structures are grossly intact .
    OUTPUT:
    
Low lung volumes . No focal consolidation identified . Moderate cardiomegaly .