Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate clear lungs . There is a trace left pleural effusion . There is no pneumothorax . The cardiac silhouette is moderately enlarged . The mediastinal contours are normal . There is calcification seen at the aortic arch . Pulmonary vasculature appears normal . There is mild pulmonary vascular congestion with upper zone redistribution .
    OUTPUT:
    
Cardiomegaly , with a trace left pleural effusion and mild pulmonary vascular congestion , consistent with mild cardiac decompensation .