Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Lungs remain clear . There is no pneumothorax or pleural effusion . Cardiomediastinal silhouette is stable . Gastric band again seen in the left upper quadrant . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
No acute intrathoracic process .