Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . A right - sided hemodialysis catheter terminates deep in the right atrium . NG tube courses into the stomach . Cardiac size is stable . Previously waxing and waning edema is mild today in comparison to prior exams . There is no pleural effusion . There are no focal consolidations concerning for pneumonia .
    OUTPUT:
    
No evidence of pneumonia . Mild pulmonary edema . Healing posterior left lower rib fracture .