Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Sternotomy wires and AVR are in appropriate position . Small anterior pneumothorax seen on lateral view is either unchanged or smaller in size . Moderate right pleural effusion is unchanged . No pulmonary edema . Diffusely sclerotic bones .
    OUTPUT:
    
Moderate right pleural effusion is unchanged . Small anterior pneumothorax is unchanged or slightly smaller .