Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no lobar consolidation , pleural effusion , pneumothorax , or pulmonary edema . The descending thoracic aorta remains tortuous . The cardiomediastinal silhouette is otherwise stable . The previously described 5 mm left lung nodule is not well visualized on today 's study .
    OUTPUT:
    
No definitive pneumonia is identified . If the patient is at high risk for aspiration , recommend repeat radiograph in 12 hr .