Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Is comparison of previous radiograph , due to patient position , there is an apparent increase in extent of the small to moderate right pleural effusion . On the left , the retrocardiac atelectasis is minimally increased . Unchanged appearance of the cardiac silhouette . Unchanged appearance of the lung parenchyma .
    OUTPUT:
    
Minimal increase in extent of the right pleural effusion , minimal retrocardiac atelectasis .