Pulmonary Mucus Gland Adenomas: Are They Always of Endobronchial Localization?

Figure 1

(a) Chest computed tomography during transthoracic needle biopsy, showing a parenchymal lesion of the middle lobe. (b) Mucus gland adenoma (H&E, ×200). (c) and (d) H&E and TTF-1 staining of the adenoma (×100).

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