Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Residual contrast in the colon of the upper abdomen is partially visualized on the lateral view . Lung volumes are low limiting assessment . Allowing for this , there is no focal consolidation , effusion or pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .