Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size , mediastinal , and hilar contours are normal . The lungs are clear without pleural effusion , focal consolidation , or pneumothorax . Incidental note of a prominent small bowel loop in the left upper quadrant .
    OUTPUT:
    
No evidence of pneumothorax or other acute intrathoracic process .