Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of pneumothorax or pleural effusions . The heart is within upper limits of normal in size . No focal consolidations are seen to suggest pneumonia . No acute rib or vertebral body fractures are seen . Mild degenerative changes are seen throughout the thoracic spine . There is no evidence of pneumoperitoneum .
    OUTPUT:
    
No acute intrathoracic process .