Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There is a mild interstitial pulmonary edema and mild cardiomegaly . Mediastinal wires appear intact numerous surgical clips project over the mediastinum . The aortic arch is calcified . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly and interstitial pulmonary edema .