Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest ___ at 03 : 58 is submitted .
    OUTPUT:
    
Tracheostomy tube remains in satisfactory position . Right subclavian PICC line unchanged in position . There continue be bibasilar patchy opacities which are not significantly changed since the prior study but have progressed since ___ . Findings would be concerning for pneumonia . No evidence of pulmonary edema . No pneumothorax . Overall cardiac and mediastinal contours are stable .