Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal portable radiographs of the chest demonstrate stable severe cardiomegaly . Mediastinal and hilar contours are stable . There is new compared to the prior study there is new pulmonary edema with more confluent opacities in the left upper lung and right lower lung which could be asymmetric edema but multifocal infectious process is possible . No large pleural effusion or pneumothorax .
    OUTPUT:
    
Stable severe cardiomegaly with new pulmonary edema . More confluent opacities in the left upper lung and right lower lung could represent asymmetric pulmonary edema ; however , infectious process is possible