Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low resulting in vascular crowding . There is mild pulmonary vascular congestion . There is no pneumothorax or pleural effusion . Cardiomediastinal silhouette is unchanged from prior exam . Visualized osseous structures are unremarkable . PICC has been removed since prior exam in ___ .
    OUTPUT:
    
Mild pulmonary vascular congestion .