Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 12 :27 is submitted .
    OUTPUT:
    
Interval extubation . Decreased lung volumes with patchy bibasilar opacities likely reflecting atelectasis . Crowding of the vasculature with no evidence of pulmonary edema . No large effusions . No pneumothorax . Overall cardiac and mediastinal contours are likely stable given differences in patient positioning and inspiratory effort .