Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . There is unchanged linear scarring in the basal left lower lobe adjacent to eventration of the posterior left hemidiaphragm . There is no evidence for pulmonary edema , pulmonary consolidation , pleural effusion , or pneumothorax . Heart size is normal . A calcified aorta is again seen . Degenerative changes and ossification of the anterior longitudinal ligament are again seen in the thoracic spine .
    OUTPUT:
    
Stable appearance of the chest without evidence for acute abnormalities .