Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The elevation of left hemidiaphragm with opacity at adjacent left lung base is has slightly worsened when compared to the prior examination . There are small bilateral pleural effusions with mild pulmonary vascular congestion . The cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
Low lung basal atelectasis . Small bilateral pleural effusions are new .