Transmission fluid in the radiator

I have a ford e-100 with the inline 6 the odometer has 89,000 miles I have transmission fluid going into the radiator I changed the radiator it's brand new I started the van and drove it and the dip stick blew out and sprayed transmission fluid everywhere and it caught on fire I got the fire out before it could mess anything up transmisson fluid was still in the radiator what can I do? Can you help