Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate persistent small - to - moderate bilateral pleural effusions , which are overall unchanged from ___ . Stable mild interstitial edema . Stable moderate cardiomegaly . No pneumothorax . PICC line ends in the mid SVC .
    OUTPUT:
    
Persistent small - to - moderate bilateral pleural effusions , which are overall unchanged from ___ .