Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Lungs are well - expanded without focal consolidation concerning for pneumonia . The upper abdomen is unremarkable . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute intrathoracic process .