Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to large bilateral pleural effusions are unchanged . The remainder of the lung fields are clear . There is no pneumothorax . The hilar and mediastinal contours are normal . A Port - A - Cath terminates in the mid SVC .
    OUTPUT:
    
Largely unchanged bilateral pleural effusions . In the right clinical setting , superimposed pneumonia in the lung bases can not be excluded .