Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are relatively unchanged . Crowding of bronchovascular structures is present as result of low lung volumes , but mild pulmonary vascular congestion is likely present . No focal consolidation , pleural effusion or pneumothorax is demonstrated . Moderate multilevel degenerative changes are noted in the thoracic spine . Multiple compression deformities in the thoracolumbar junction are re - demonstrated . Degenerative changes of the left glenohumeral joint are noted with a high riding left humerus .
    OUTPUT:
    
Low lung volumes with mild pulmonary vascular congestion . No definite focal consolidation .