Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Lower lung volumes seen on the current exam . The lungs however are clear . There is no effusion or pneumothorax . Cardiomediastinal silhouette is unchanged given differences in technique . No acute osseous abnormalities detected . No free air seen below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process .