Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 16 : 10 is submitted .
    OUTPUT:
    
Right internal jugular central line has its tip in the distal SVC . Nasogastric tube is seen projecting over the stomach in satisfactory position . Endotracheal tube has its tip 3 .8 cm above the carina . Overall cardiac and mediastinal contours are stable . There is improved aeration at the right base and residual faint patchy opacity at the left base which may reflect patchy atelectasis . No large effusions . No pneumothorax .