Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is mild vascular congestion but no focal opacities . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax , prior left - sided pleural effusion is no longer seen . Sternotomy wires are intact . Left cervical rib is incidentally noted . Compression deformities in the upper lumbar spine are unchanged from priors .
    OUTPUT:
    
Mild vascular congestion . No evidence of pneumonia .