Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is re - demonstrated . The aortic knob is calcified . Mild pulmonary edema is new in the interval . Mediastinal and hilar contours are unchanged . There is no pleural effusion , focal consolidation or pneumothorax . Patchy opacities in the lung bases likely reflect areas of atelectasis .
    OUTPUT:
    
Mild pulmonary edema and moderate cardiomegaly .