Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided Port - A - Cath is in unchanged position with the tip in the lower SVC . Again , there is a moderate right - sided pleural effusion , slightly increased when compared to the prior exam . There is associated compressive right basilar atelectasis . There is minimal left basilar atelectasis . There is no left pleural effusion . Low lungs volumes are accentuating the bronchovascular structures , though there is no evidence of pneumonia or overt edema . There is no pneumothorax . The mediastinal contours are normal . The heart size is at the upper limits of normal .
    OUTPUT:
    
Slight interval increase in the size of the moderate right pleural effusion .