Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Low lung volumes are slightly low resulting in bronchovascular crowding . The lungs are well expanded and clear without focal consolidation , pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes and hilar contours are normal . No acute osseous abnormality is identified . Eventration of the right hemidiaphragm is noted . There is no free air under the diaphragm .
    OUTPUT:
    
No pneumonia , effusion , or edema .