Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change since ___ . The lungs are clear without focal consolidation or pulmonary edema . No pleural effusion or pneumothorax . The heart size is normal , and the mildly dilated or tortuous descending aorta and is unchanged since at least ___ . Mediastinal contours , hila , and pleura are normal .
    OUTPUT:
    
No acute cardiopulmonary process , including no radiographic evidence of aspiration .