Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are stable . Mild degenerative changes are seen along the spine . There is questionable cortical stepoff at the lateral right fifth rib , concerning for fracture . Difficult to exclude nondisplaced fractures of the right lateral fourth and third ribs .
    OUTPUT:
    
Apparent cortical step - off at the lateral right fifth rib raises concern for fracture . Difficult to exclude nondisplaced fractures of the right lateral fourth and third ribs . Recommend dedicated rib series for further evaluation . No focal consolidation or pneumothorax .