Figure 2.

54 years old man who worked as a miner in a lead mine for 22 years diagnosed PMF.

A-B. Chest HRCT image shows bilaterally located, discoid shaped in right upper lobe and irregular shaped in left upper lobe with punctate calcification PMF lesions. Multiple small nodules indicative of silicosis are also seen in surrounding lung tissue. Thick band appearance extending from the adjacent pleura to the PMF, and paracicatricial emphysematous lung tissue between the pleura and the PMF lesion was seen.