Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Minimal linear opacification in the right mid lung is stable from the prior exam and likely represents scarring . There is no evidence of consolidation or edema . There is no pleural effusion or pneumothorax . A dual - chamber pacemaker is present and in unchanged position with the leads in the right ventricle and coronary sinus . Mild cardiomegaly is unchanged from the prior exam . Atherosclerotic calcifications are noted in the aortic arch . Compression deformities in the lower thoracic spine are stable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable right mid lung scarring . 3 . Unchanged lower thoracic compression deformities .