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