Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the left hemidiaphragm is demonstrated . Lung volumes are low . Heart size is mildly enlarged . Mediastinal contour is unchanged with mild unfolding of the thoracic aorta again noted . There is mild pulmonary vascular congestion with vascular indistinctness . Probable small bilateral pleural effusions are noted . There is no pneumothorax . Moderate multilevel degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular congestion with small bilateral pleural effusions . Persistently elevated left hemidiaphragm .