My dr is sending me for pulmonary clearance has anyone else had to do this?

It is due to something that showed up on my stress test but they did not tell me what. I am somewhat nervous. I have to go get a chest xray and then go see the pulmonary specialist.

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.