Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Low lung volumes result in bronchovascular crowding . There is no focal consolidation , pleural effusion , or pneumothorax . Heart size is within normal limits allowing for lung volumes . The mediastinal silhouette and hilar contours are normal . There is no free air under the diaphragm .
    OUTPUT:
    
No pneumonia , edema or effusion .