Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are low lung volumes and mild elevation of the left hemidiaphragm . Bibasilar atelectasis is seen . There is no definite focal consolidation . There may be minimal central vascular congestion . The cardiomediastinal silhouettes are grossly stable given differences in lung volumes . No large pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Mild elevation of the left hemidiaphragm with overlying basilar atelectasis without definite focal consolidation . Possible minimal pulmonary vascular congestion .