Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Compared to prior study , there is new mild pulmonary vascular congestion . A left lower lobe heterogeneous opacity is consistent with atelectasis . No evidence of consolidation , pleural effusion , or pneumothorax . The heart size is normal .
    OUTPUT:
    
1 . Mild pulmonary vascular congestion . 2 . Left lower lobe atelectasis . 3 . No evidence of pneumonia .