This from Martin Nowak:

I was in the area when I saw Ambulance 13 responding. Decided to stop at Stroger Hospital to take pictures after the patient was taken inside.

Chicago FD ambulance 13

Martin Nowak photo

Chicago FD ambulance 13

Rear view of Ambulance 13. Martin Nowak photo

Chicago FD ambulance 13

Ambulance 13 at Cook County Hospital. Martin Nowak photo

Chicago FD ambulance 13

New CFD Ambulance 13 in service. Martin Nowak photo