Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs of ___ , there is slight improvement in pulmonary edema , right greater than left . There is no large pleural effusion . No pneumothorax or new focal consolidation . Heart size is normal , and accentuated by low lung volumes . A right IJ catheter is in the low SVC .
    OUTPUT:
    
Slight improvement in pulmonary edema , right greater than left .