Radiographic findings: A CT image (A) shows a lobular, homogeneous mass in the anterior segment of the right upper lobe. It has a small area contiguous with the mediastinum.

A

A lung window (B) shows proximity of the mass to a branch of the anterior segmental, right upper lobe bronchus. There is bullous emphysema best seen in the posterior left upper lobe. A densely calcified pleural plaque is seen adjacent to the left lateral ribs in both views.

B

Clinical summary Gross specimen

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