Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is enlarged but similar to prior exam . The mediastinal and hilar contours are within normal limits . The lung volumes are low with bibasilar atelectasis , more pronounced on the left than the right and there is no large pleural effusion or pneumothorax . There is no evidence of pulmonary edema or thickened septal lines . Multiple compression fractures of the lower thoracic spine have not changed since prior CT .
    OUTPUT:
    
Cardiomegaly and low lung volumes with bibasilar atelectasis .