Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is mild pulmonary edema . There is no focal airspace opacity . There is no definite pleural effusion . There is no pneumothorax . The mediastinal contours are normal . The cardiac silhouette is enlarged . A fixation plate and screws are noted in the right humerus and incompletely evaluated . No acute fracture is identified .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Mild - to - moderate cardiomegaly .