Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 11 : 17 is submitted .
    OUTPUT:
    
The appearance of the right hemithorax is stable with the pleural catheter unchanged in position . A superimposed infection in the right lung can not be excluded . The left subclavian PICC line has its tip in the mid to distal SVC . There has been interval appearance of mild pulmonary and interstitial edema at least evident within the left lung . No left effusion is seen . No pneumothorax is appreciated . Overall cardiac and mediastinal contours are difficult to assess due to the diffuse abnormality involving the right hemithorax .