Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged from the most recent radiograph . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . There is no displaced rib fracture .
    OUTPUT:
    
1 . Unchanged mild cardiomegaly , otherwise normal radiographs . 2 . No displaced rib fracture .