Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes cause bronchovascular crowding . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is normal . A moderate hiatal hernia is noted .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Moderate hiatal hernia .