Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively well inflated and clear . There is mild elevation of the right hemidiaphragm compared to the left . Heart size is normal and the descending thoracic aorta is mildly tortuous . Mediastinal contours are otherwise normal . No evidence pneumonia or heart failure . No pleural effusion or pneumothorax . Osseous structures are intact .
    OUTPUT:
    
No acute cardiopulmonary process .