Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest radiograph demonstrates clear lungs without effusion , or pneumothorax . A granuloma is seen in the left upper quadrant or left lung base . The endotracheal tube whose tip is no less than 8 cm from the carina , should be advanced 3 cm for more secure positioning . . An NG tube is in place with its tip in the distal esophagus . The cardiac silhouette is normal in size , the mediastinal contours are normal .
    OUTPUT:
    
No acute chest pathology . ETT and NG tube should be advanced .