Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are somewhat low . Allowing for this the lungs appear clear . There is no focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette appears normal . Imaged bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .