Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . The lungs appear clear . A trace pleural effusion is suspected , probably only on the right . Left - sided rib deformities as well as a non healed displaced left clavicle fracture appear old and unchanged .
    OUTPUT:
    
Suspicion for trace pleural effusion on the right ; otherwise unremarkable .