Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The focal site of patient 's pain is not indicated on these images . No acute fracture is detected however sensitivity for acute rib fracture of routine chest radiography is low . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Heart and mediastinal contours are within normal limits .
    OUTPUT:
    
No radiographic evidence for acute rib fracture , however sensitivity of routine chest radiography for acute rib fractures is low .