Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views the chest provided . Cardiomegaly noted , unchanged . Mediastinal contour is stable with aortic calcification . Hila are congested and there is mild some pulmonary edema . Opacity in the left mid lung and right lower lung could represent superimposed pneumonia . No large effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly with mild to moderate pulmonary edema . Possible superimposed pneumonia .