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 . The pulmonary vasculature is not engorged . The cardiomediastinal and hilar contours are within normal limits . The trachea is midline . There is no free air beneath the right hemidiaphragm or evidence of pneumomediastinum . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary process .