Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Low lung volumes are seen on the current exam with secondary crowding of bronchovascular markings and accentuation of the mediastinum which given differences in positioning and technique is not changed . There is no confluent consolidation , effusion or pneumothorax . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary process . Contour of the cardiomediastinal silhouette is unchanged given lower lung volumes on the current exam .