Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided demonstrating low lung volumes with no focal consolidation , effusion or pneumothorax seen . The heart size is top normal though stable . The mediastinal contour is stable with aorta appearing mildly unfolded . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .