Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable , mild cardiomegaly . The cardiomediastinal silhouette is unchanged and normal . The left hilum is prominent , but stable since ___ . The lungs are clear . There is no evidence of pleural effusion or pneumothorax . There is leftward deviation of the trachea , unchanged from the prior study . There is dextroscoliosis and kyphosis , unchanged
    OUTPUT:
    
Prominent left hilum , not changed from ___ . No other acute cardiopulmonary process .