Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . The heart is of normal size with stable cardiomediastinal contours . A small right pleural effusion is similar to the exam 10 hours prior . No focal consolidation or pneumothorax . There is small atelectasis at the right base . Chronic - appearing right rib fractures are similar to prior . Sternotomy wires and mediastinal clips are intact .
    OUTPUT:
    
No relevant change from study 10 hours prior . Stable small right pleural effusion .