Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right central venous catheter tip projects over the expected region of the SVC - RA junction , unchanged . Lung volumes have markedly improved . Bilateral pleural effusions persist but have decreased in the interim , now small . Elevation of the left hemidiaphragm is overall unchanged with associated atelectasis and underlying gaseous distension of the bowel in the left upper quadrant . No focal consolidation , edema , or pneumothorax . The heart size is normal . The descending thoracic aorta is slightly tortuous or ectatic , unchanged .
    OUTPUT:
    
Interval improved lung aeration and decrease in size of bilateral pleural effusions .