Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is at the upper limits of normal . Cardiomediastinal contours are within normal limits , allowing for slightly unfolded , calcified aorta . Mild prominence of soft tissues along the right peritracheal region are unchanged compared with ___ and could represent vascular structures or thyroid goiter in someone of this age . The hila are prominent , but unchanged compared with ___ . Lung volumes are low with bibasilar atelectasis but no focal consolidation , pleural effusion , or pneumothorax is detected . To right hemidiaphragm is slightly elevated , but unchanged .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis . No frank consolidation identified .