Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is unchanged slight prominence of the left hilum . There is no suspicious mass or nodule . There is no displaced rib fracture . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . No radiographic evidence for clinical symptoms . 2 . No evidence of acute cardiopulmonary process .