Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . Right - sided Port -A - Cath is in stable position . The lungs are clear . There is no pleural effusion or pneumothorax . Sabersheath trachea is compatible with a history of COPD . The cardiomediastinal silhouette is normal . Severe degenerative changes in the glenohumeral joints are noted .
    OUTPUT:
    
No acute cardiopulmonary process .