Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart size is mildly enlarged with a left ventricular configuration . The aorta is unfolded , accounting for prominence of the vascular pedicle . There is mild interstitial edema with Kerley B lines and trace pleural fluid bilaterally . Small atelectatic changes are seen at the right lung base , similar to prior . No pneumothorax is seen . Osseous structures are unremarkable . No radiopaque foreign bodies are seen .
    OUTPUT:
    
1 . Mild interstitial edema with trace pleural fluid . 2 . Mild cardiomegaly .