Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright radiograph of the chest is provided . There is cardiomegaly as well as dense perihilar opacities with increased interstitial markings consistent with moderate pulmonary edema . There is widening of the upper mediastinum , likely secondary to central vascular congestion . There is no pneumothorax or pleural effusion . The patient is status post cardiac operation with surgical ___ in the mediastinum and sternotomy cerclage wires in place . There are additional ___ in the left upper quadrant of the abdomen , possibly related to a gastric surgery . No displaced rib or sternal fractures are seen , although this modality is insensitive for these injuries .
    OUTPUT:
    
Moderate congestive heart failure . Widening of the upper mediastinum , likely secondary to central vascular congestion but if there is concern for acute aortic pathology , CT would be more sensitive .