Human lungs are a complex, fractal network of airways. “Imagine the lung as a tree and early-identified lung nodules as its fruit that typically grows on the treetops, but not on the trunk ...

Accessing beyond the lungs has never been an easy task Today ... This can already be introduced into the thinnest branches of the bronchial tree, but it is difficult to handle from the outside.

The muscles in the lungs and bronchial tree (or the windpipe and channels connecting it to the lungs) swell and tighten, ...