Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A mild background generalized interstitial abnormality is identified . There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . Scoliosis is noted centered within the mid thoracic spine .
    OUTPUT:
    
Age - indeterminate mild generalized background interstitial abnormality .