Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are symmetrically well expanded and well aerated without focal consolidation concerning for pneumonia , pleural effusion or pneumothorax . There is no overt pulmonary edema . The cardiomediastinal and hilar contours are within normal limits . The trachea is midline . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process .