Fig. 2

A,B This patient from the Tet group; (A) DR and HRCT revealed bilateral increased transparency, small opacities, multiple PMF (28×57 mm of right middle lobe, 27×35 mm of left middle lobe) and lymphadenopathies, some of which were calcific. B After 11 momths of Tet treatment, the PMF was significantly reduced, small opacities and multiple stripes were seen in the lungs, and bilateral increased transparency was observed. He did not receive antibiotics and anti-tuberculosis treatment, and his respiratory symptoms and lung function were also significantly improved. C,D This patient from control group, (C) DR And HRCT showed increased transparency, small opacities, immature PMF was seen in the right upper lung. Bilateral pleural thickening and adhesions were seen. D After 16 months, the PMF was significantly enlarged (25×38 mm of right upper lobe, 14×26 mm of left middle lobe). Simultaneously, the patient had worsening respiratory symptoms and pulmonary function. E The median PMF size decreased slightly in Tet group (1568 vs. 1526, p=0.21), while increased significantly in control group (2055 vs. 2306 p=0.00)