Hi
What type of Fibroid dose your brother have?
I have a Dermo Fibroid that was removed from my left thigh in 01.
Now currently have Fibroids to right lung. Also have fibroid tissue in nodes. Your are correct there isnt much information about this on the web. According my my dr in Sloan its rare
1-4 percent chance to go to lungs. I would seriously get a second opion on this if i was your brother. I dont know if your brothers are slow growing such as mine are.
Currently im being treated with gleevc to shrink mine. I wouldnt just sit around and do a wait and see. My Dr thinks mine were in my lung for about 6yrs. If its small seek treatment now. See a dr that specializes in sarcoma treatments. They are rare types of cancer.