Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates clear lungs bilaterally . When compared to prior radiograph dated ___ , the cardiomediastinal and hilar contours are stable in appearance . Evaluation of osseous structures demonstrates multiple compression deformities involving T12 , T9 , T6 , and T7 which appear to have been present on prior examination and are unchanged . There is no pleural effusion or pneumothorax . Severe degenerative changes are again seen within the right glenohumeral joint .
    OUTPUT:
    
No acute intrathoracic abnormality .