Person foaming at mouth with low oxygen in Coward

Medic 51, respond to 412 Lynch Road, Coward.412 Lynch Road, Coward, at Poston Road and Pond Circle, in reference to sick person.Hello.Six Delta Three.They also advise that the wife is currently taking cancer treatment as well.I copy. Just to advise some additional information, she is changing color and she's foaming up and her oxygen is at 72.