Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been slight further increase in size of the right pleural effusion , small to moderate in extent . No evidence of a pneumothorax . The appearance of the lung parenchyma is unchanged with multiple areas of patchy and confluent airspace opacities . A small left pleural effusion is unchanged .
    OUTPUT:
    
Slight interval increase in size of the right pleural effusion , small to moderate in extent . Otherwise there has been no significant interval change since the prior radiograph .