Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal upright and lateral chest radiographs demonstrate low lung volumes . Cardiomediastinal contour is unchanged compared to the prior study . The heart is normal in size . Eventration of the right hemidiaphragm is stable . The lungs are clear without focal consolidation . There is no pleural effusion and no pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .