Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are well expanded without focal consolidation , pleural effusion , or pneumothorax . Blunting of the right costophrenic sulcus is unchanged since ___ . Mild diffuse interstitial abnormality suggests underlying chronic lung disease . Moderate cardiomegaly persists . Aortic tortuosity is unchanged . Degenerative change in the thoracic spine .
    OUTPUT:
    
No pneumonia or edema .