Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes , which accentuate bronchovascular markings . There is no focal consolidation , or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is top normal . There is blunting of the left costophrenic angle posteriorly , which may be due to a small pleural effusion and / or thickening . Pacemaker leads project over right atrium and ventricle . Sternotomy wires are in place and appear intact . Multiple surgical clips project over cardiac silhouette . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
No evidence of CHF .