Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right IJ catheter . The right lung base opacity has improved since prior study and may represent atelectasis . There are no pleural effusions . Moderate cardiomegaly is stable . There is minimal pulmonary edema . There is no pneumothorax .
    OUTPUT:
    
There are no pleural effusions . Right lung base opacity has improved since prior study and may represent atelectasis .