Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Slight blunting of the right costophrenic angle persists and there may be a trace residual right pleural effusion . Overall , the lung volumes remain low . No definite focal consolidation is seen . There is no pneumothorax . The cardiac , mediastinal , and hilar contours are stable .
    OUTPUT:
    
No significant interval change .