Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild interstitial pulmonary edema in the setting of unchanged severe cardiomegaly . No pleural effusion is identified in the left . The right costophrenic angle is not clearly seen due to the enlarged heart . There is no pneumothorax . The left - sided by come out pacemaker is redemonstrated with leads in unchanged position .
    OUTPUT:
    
Interstitial pulmonary edema on the setting of stable severe cardiomegaly .