Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate clear lungs bilaterally . Cardiomediastinal and hilar contours are within normal limits . There is no overt pulmonary edema . There is no pleural effusion or pneumothorax . Degenerative changes are identified throughout the thoracic spine as well as right glenohumeral and acromioclavicular joints .
    OUTPUT:
    
No acute intrathoracic abnormality .