Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . Extensive calcified pleural plaques are seen bilaterally . Blunting of costophrenic angles may reflect small pleural effusions or pleural thickening . Hilar and mediastinal silhouettes are unremarkable . Tortuosity of the descending aorta is noted . Mild - to - moderate cardiomegaly is unchanged . There is no pulmonary edema . There is no focal consolidation to suggest pneumonia . Rounded opacities are seen bilaterally , which may represent pulmonary nodules .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Round bilateral opacities , may represent pulmonary nodules . Further assessment with CT is recommended . 3 . Diffuse bilateral pleural calcifications , compatible with asbestos exposure . 4 . Blunting of bilateral costophrenic angles , suggestive of small pleural effusions or pleural thickening .