Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chronic mild prominence of the interstitial markings likely relates to chronic lung disease . Left upper lobe / lingular scarring / atelectasis is seen . There is no definite focal consolidation . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . Surgical material is again seen in the region of the gastroesophageal junction .
    OUTPUT:
    
No acute cardiopulmonary process . Chronic changes . Likely left upper lobe and lingular atelectasis / scarring .