Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal supine view of the chest was obtained . Endotracheal tube terminates approximately 3 cm above the carina , left subclavian central venous catheter is in the lower SVC , and the NG tube is within the stomach , all in satisfactory position . Lung volumes are low . Lungs are clear with normal vascularity . Patchy atelectasis is noted at the bases . There is no pleural effusion or pneumothorax . Heart is normal in size and cardiomediastinal contour is unremarkable .
    OUTPUT:
    
1 . Appropriate placement of all support devices . 2 . Low volume lungs are clear .