Fig. 2

Serial chest imaging findings in M. lentiflavum-infected patient. At 12 month follow-up, chest imaging studies revealed that the previous lesions in both lungs were improved remarkably (a-c). In addition, serial chest CT scans showed the distinct bronchiectasis and multiple small nodular lesions with a tree-in-bud pattern were scattered in the left lingular segment and the left lower lobe (d and e)