Figure 2.

Endobronchial papilloma. (A) bronchoscopic view showing a small a polypoid endobronchial lesion (arrow) in the lateral wall of the bronchus intermedius; (B) ablation using argon plasma coagulation of the endobronchial lesion in the bronchus intermedius; (C) a six-month follow up showing endobronchial minimal scaring and no evidence of recurrence; (D) microscopic image of a papilloma. The image shows tissue fragments composed of fibrovascular core lined by benign squamous epithelium. Hematoxylin and Eosin stain (100×).