Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral ICD with a single lead terminating in the right ventricle . Stable cardiomegaly . Pulmonary vessels appear less engorged , although this may simply reflect the differences between an upright PA film and a supine AP film instead of a true improvement in pulmonary vascular congestion . No evidence of pneumonia , pneumothorax , or pleural effusions .
    OUTPUT:
    
Stable versus slightly decreased pulmonary vascular congestion .