Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prior left PICC is again noted . The tip is not clearly delineated but is seen to at least the level of the distal brachiocephalic vein . Diffuse increased interstitial markings are overall similar compared to prior . Small to moderate bilateral pleural effusions are noted . Cardiomediastinal silhouette is stable . Healed posterior right fourth rib fracture is again noted .
    OUTPUT:
    
Small moderate pleural effusions . Increased interstitial markings throughout the lungs as on prior which could be due to edema and / or infection .