Common Variable Immunodeficiency Support Group
Common variable immunodeficiency (CVID) is a group of 20-30 primary immunodeficiencies (PIDs) which have a common set of symptoms but with different underlying causes. CVID's underlying causes are different, but the result of these are that the body doesn't produce sufficient antibodies in response to exposure to pathogens.
There are a few different lung diseases causing granulomas we can get. I did have a fine needle biopsy in my town and my pulmo here said "its granulomas pneumonitis, no big deal, get out of town for a few weeks and you'll be fine". Well he was wrong. Went to National Jewish (recommended by my experienced immunologist who thought it was a form of interstitial lung disease, my insurance approved) and they reviewed the biopsy and said it was Granulomatous Lymphocytic Interstitial Lung Disease. They did the steroids which I knew wouldn't work. The nodules went away and then came back. When they said "oh now we wait and see" I went elsewhere because I wasn't about to lose my job. I went to a doc in Wisconsin who treats many of us and even published a paper on it. But he needed an open lung biopsy before agreeing to treat me and unfortunately mine were not in the right place to get a good sample...so I wait (that was in January)...luckily mine seem to have stabilized so i'm still working.
My suggestion is to see an experienced immunologist who treats a large population of us and see what he recommends, look at the biopsy results with your own two eyes. It will tell you what the nodules are made up of (scar tissue, or mine said something like "resembling granulomatous lung disease or something like that). My guy was cocky and an idiot and had I listened? Well who knows.