Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest radiograph ___ at 23 : 16 is submitted .
    OUTPUT:
    
The Impella support device now has its tip projecting over the more proximal aspect of the right ventricle being retracted approximately 6 cm since the previous study . The femoral Swan - Ganz catheter is unchanged in position . Interval appearance of streaky opacities at the right base likely reflectsing atelectasis , although aspiration or pneumonia should also be considered . No pulmonary edema . No large effusions . No pneumothorax . Overall cardiac and mediastinal contours are stable .