Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent blunting of the costophrenic angles which may be due to trace pleural effusions and / or pleural thickening . No evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Mild prominence of the interstitial markings bilaterally again seen , suggesting chronic lung disease . No definite focal consolidation . The bones are diffusely osteopenic . There is a compression deformity of the the upper to mid thoracic vertebral body , also seen on the prior study .
    OUTPUT:
    
Blunting of the bilateral costophrenic angles suggests trace pleural effusion and / or pleural thickening .