Thank you everyone for your posts. I currently saw my ID doctor and really like his suggestions. I was also told that I do not have any cavities. The size of the area is 7.4cm which seems really large but there were no cavities so I was relieved. They are on both my right and left upper lobes. But he said they don't look bad. So recommended that I do the nebulizer with saline only. He didn't want to start me on the antibiotics yet which I was happy to comply with.
Anyway, since this thread is basically for those who have MAC with cavities and bronchiectasis I will be leaving this site. But I truly appreciated everyones input. Thank you again and stay safe as the covid variant seems to be spreading quickly.