Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are normal . The trachea is midline . The hila are unremarkable . The lungs are clear . There is no pulmonary vascular congestion . There is no pneumothorax . There is no right pleural effusion . Poor visualization of the lateral left CP angle may relate to overlying soft tissues , however , a small left pleural effusion would be difficult to exclude . There is mild dextroscoliosis of the mid thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .