Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Battery pack overlies the left mid chest . Mild pulmonary vascular congestion appears slightly worse compared to the prior study . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Mild pulmonary vascular congestion , slightly worse compared to the prior study .