Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate a stable cardiomediastinal silhouette . Ectatic ascending aorta is better appreciated on dedicated chest CT dated ___ . Lungs are clear without a focal opacity convincing for pneumonia . There is no pneumothorax , pulmonary edema , or pleural effusion . Right apical scarring is noted and correlates with chest CT , unchanged allowing for differences in modality . Multilevel degenerative changes are present within the imaged thoracic spine .
    OUTPUT:
    
No acute intrathoracic abnormality . Ectatic ascending aorta better appreciated on dedicated chest CT dated ___ .