Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyper - expanded with associated flattening of the diaphragms . Unexplained mild rightward deviation of the trachea without tracheal narrowing at the level of the thoracic inlet , not markedly changed since ___ . No change in the probable right apical bronchiectasis . The lungs are otherwise clear without focal consolidation or pulmonary edema . No pleural effusion or pneumothorax . Normal cardiomediastinal silhouette , hila , and pleura . Stable tortuous descending aorta .
    OUTPUT:
    
1 . No focal consolidation to suggest active infection . 2 . Stable COPD . 3 . Stable unexplained mild rightward deviation of the trachea .