Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large bilateral pleural effusions have slightly decreased in size since ___ . The left lower lobe remains collapsed . A left - sided PICC line terminates in the low SVC . No new airspace opacities are detected . There is mild central pulmonary vascular congestion , but no frank pulmonary edema . The heart is top normal in size . There is no pneumothorax .
    OUTPUT:
    
1 . Slight decrease or redistribution of large bilateral pleural effusions . 2 . Persistent atelectasis of the left lower lobe . 3 . No new airspace opacity to suggest infection , although lung bases are obscured , and no pulmonary edema .