Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are provided . The lungs appear clear without signs of pneumonia or CHF . No pleural effusion or pneumothorax is seen . Cardiomediastinal silhouette appears normal . Bony structures appear intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .