Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the study from ___ , moderate right pleural effusion slightly increased in size . Compressive atelectasis at the right lung base is also present . A superimposed pneumonia at the right lung base can not be excluded . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unchanged . Enteric tube terminates in the distal duodenum .
    OUTPUT:
    
Slightly increased right pleural effusion with compressive atelectasis . A superimposed pneumonia at the right lung base can not be excluded .