Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes accentuate cardiomediastinal silhouette . There is no focal lung consolidation . There is no pleural effusion or pneumothorax . There is a possible right ___ lateral rib fracture .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Possible right ___ lateral rib fracture .