Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There has been some interval improvement in the pulmonary vascular enlargement since the prior study . The cardiac size is enlarged and is unchanged since the prior study . There is no evidence of pleural effusion or focal consolidation . No pneumothorax is present . The previously seen right PICC is in standard position , unchanged since the prior .
    OUTPUT:
    
Interval improvement in pulmonary vascular congestion since the prior study . Otherwise , unchanged chest radiograph .