These x-ray findings may or may not be from dust exposure. The good news for you and your husband, as a
firstFirst progesterone mc10
First progesterone mc5
First-progesterone vgs 100
First-progesterone vgs 200
First-progesterone vgs 25
First-progesterone vgs 400
First-progesterone vgs 50
First-testosterone
First-testosterone mc responder, is that these are the only findings on his X-ray. Assuming that the parenchymal scar is small, as usual when reported this way, and with features strongly suggestive of a scar, rather than a solitary nodule or "coin lesion", the odds are very high that this "scar" is
benignBenign ear cyst or tumor
Benign positional vertigo. The same can be said of the calcified
granulomaChalazion
Granuloma, fungal (majocchi's)
Subacute thyroiditis. With very rare exceptions, calcification is a strong indicator that a lesion is benign. Basically, these x-ray findings do not suggest cancer.
You still need to discuss these x-ray findings with your husband's doctor. If not already performed, your husband should have spirometry done. This is a simple breathing test that will provide detailed information about how his lungs are working. It will assess any damage from his exposure on 9/11.
No worries.