Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable chest radiograph was obtained . Increased interstitial markings with fullness of the pulmonary vasculature and mild to moderate cardiomegaly is compatible with moderate to severe pulmonary edema . There is no pleural effusion or pneumothorax . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Moderate to severe pulmonary edema .