Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . A left chest Port - A - Cath terminates at the cavoatrial junction , as before . There is extremely gaseous distention of the colon in the left upper quadrant .
    OUTPUT:
    
Clear lungs . Gaseous distention of the colon the left upper quadrant .