That would be awesome if it were the case for the majority of patients. This is why treating sooner than later at any stage is so important. The "study" they talk about isn't anything different than what has been the typical treatment. I think it also depends on how large the cavity is when starting treatment. I formed a 10 cm cavity within 30 days. I was put on all the oral med mentioned and had no improvement in the size of the cavity but did have improvement in my symptoms. Once I added the inhaled Arikayce to all the other meds, the cavity shrunk to 4 cm. That was 4 years ago. The cavity isn't getting larger or smaller but the walls are a bit thinner. Treatment definitely helps to keep stability. The article makes the "cavities can close within a year" sound promising but......