Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Similar to multiple prior exams , lung volumes are profoundly diminished . Hazy opacity at both lung bases is likely atelectasis . A large bore dual - lumen dialysis catheter is again noted in a stable course and position from a right subclavian approach . Mild aortic tortuosity is again noted . The cardiac silhouette size is stable . No definite effusion or pneumothorax is noted . Degenerative changes are noted throughout the thoracic spine . Degenerative changes are again present in bilateral shoulder joints as well . Right humeral head is suggestive of chronic rotator cuff injury .
    OUTPUT:
    
No acute pulmonary process .