Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy terminates 6 cm above the carina . There is a right IJ catheter which terminates in the low SVC . There is an NG tube with tip and side hole in the stomach . Sternotomy wires appear intact and appropriately aligned . There is unchanged bibasilar interstitial thickening . Small left pleural effusion . Heart size is stable . The mediastinal and hilar contours are stable . The pulmonary vasculature is normal . No pneumothorax is seen .
    OUTPUT:
    
1 . Appropriate positioning of tracheostomy , right IJ , and NG tube . 2 . Unchanged bibasilar interstitial thickening . 3 . Small left pleural effusion .