Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is no significant change in a right - sided layering pleural effusion , with fluid in the minor fissure . There is improved aeration at the right lung base . There is no focal consolidation or pneumothorax . Cardiomegaly is unchanged . Median sternotomy wires are stable in position .
    OUTPUT:
    
No significant change in right - sided pleural effusion . No pneumonia .