Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . A linear focus of scarring is again noted in the left lower lobe . The lungs are clear without focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette appears normal . The bony structures are intact . Contrast within bowel loops in the upper abdomen likely related to recent barium exam .
    OUTPUT:
    
No acute intrathoracic process .