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Figure 3: (a) High-resolution computed tomography thorax transverse section lung window of case 4 showing presence of centrilobular nodule and interstitial thickening; (b) high-resolution computed tomography thorax transverse section lung window of case 2 showing interstitial thickening and subpleural honey combing; (c) high-resolution computed tomography thorax transverse section mediastinal window of case 2 showing bilateral pleural thickening; (d) high-resolution computed tomography of thorax transverse section mediastinal window of case 3 showing mosaic attenuation

Figure 3: (a) High-resolution computed tomography thorax transverse section lung window of case 4 showing presence of centrilobular nodule and interstitial thickening; (b) high-resolution computed tomography thorax transverse section lung window of case 2 showing interstitial thickening and subpleural honey combing; (c) high-resolution computed tomography thorax transverse section mediastinal window of case 2 showing bilateral pleural thickening; (d) high-resolution computed tomography of thorax transverse section mediastinal window of case 3 showing mosaic attenuation