Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest film ___ at 12 :58 is submitted .
    OUTPUT:
    
Right internal jugular central line has its tip in the distal SVC . Interval removal of the left chest tube with no evidence of pneumothorax . There are patchy bibasilar opacities , left greater than right , consistent with atelectasis , although pneumonia can not be excluded . There is likely a layering left effusion . No pulmonary edema . Heart remains stably enlarged status post median sternotomy .