Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Dialysis catheter again seen with its tip in the low SVC near the cavoatrial junction . Cardiomegaly again noted with hilar congestion and mild interstitial pulmonary edema . No large effusion or pneumothorax . No convincing evidence for pneumonia . Mediastinal contour is stable with aortic calcification . Tracheobronchial tree calcification also noted . Bony structures are intact .
    OUTPUT:
    
Mild pulmonary edema .