Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is a stable . Pacer leads are in standard position in the right atrium and right ventricle . There is no evident pneumothorax . There are low lung volumes . There is no pleural effusion . The the stomach is dilated . Mild pulmonary edema is unchanged .
    OUTPUT:
    
No pneumothorax . Stable mild pulmonary edema