Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is mild interstitial pulmonary edema . Minimal left basilar atelectasis is seen but no focal opacity to suggest pneumonia . Moderate cardiomegaly is redemonstrated , with significant contribution from the left ventricle and atrium as before . Left - sided pacemaker is redemonstrated with the leads in expected position . There is no pleural effusion or pneumothorax . The right pulmonary artery is enlarged , suggestive of pulmonary hypertension .
    OUTPUT:
    
Interstitial pulmonary edema in the setting of stable moderate cardiomegaly . No evidence of pneumonia .