Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph provided . The heart is moderately enlarged . The hila appear congested . Mild edema difficult to exclude . No large effusion . No convincing evidence for pneumonia . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly with hilar congestion and mild pulmonary edema . Please refer to subsequent CTA chest for further details .