Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal view of the chest again shows small pleural reaction at the left lung base . There is no definite pleural effusion or pneumothorax . There is no focal consolidation worrisome for pneumonia . There is mild pulmonary vascular congestion . The cardiac silhouette is mildly enlarged . The mediastinal contours are normal .
    OUTPUT:
    
Mild pulmonary edema .