Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are obtained . Lung volumes are low , though lungs appear clear . No large effusion or pneumothorax is seen . Cardiomediastinal silhouette appears normal . Dextroscoliosis of the thoracic spine is again noted . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .