@godfather2- Seeing GGO is not surprising after having COVID-19. There are all sorts of changes in the lungs and connecting pipes that are being found as a result of COVID-19. I'm so happy that you have found a pulmonologist!
https://www.uptodate.com/contents/image?imageKey=ID%2F127760&topicKey=ID%2F126981&source=see_link
https://pubs.rsna.org/doi/full/10.1148/radiol.2020202504