Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No focal consolidation , pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette , hila , and pleura are normal . No sub - diaphragmatic intra-abdominal free air . No evidence of hiatal hernia . Overall , no significant change from the prior exam .
    OUTPUT:
    
No acute cardiopulmonary process , including no pneumonia .