The question of whether and how to use blood tests, and particularly serum tumor markers, to monitor the status of a lung cancer has come up often here.  There are a few places where we've covered this in text, but for those of you who would prefer a video format for your information gathering, here's a podcast I just did on that subject for Swedish Medical Center.

[embed]http://www.youtube.com/watch?v=ePzQF6tFNZs[/embed]