Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 6 cm above the carina . ___ tube is seen coursing towards the expected location of the stomach , tip is not included in this examination . The heart size is within normal limits . The mediastinum and hilar contours are normal . There are low lung volumes . However , there is no pneumonia , pleural effusion , or pneumothorax .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .