Fig. 5From: Enlarged mediastinal air cyst in a patient with bronchial diverticula localized in the left main bronchus: a case report with surgical and bronchoscopic findingsPathological images of the resected cystic lesion. a Gross appearance indicating that the cystic wall consists of unstructured fibrous tissue without bronchial gland nor cartilage. b Microscopic image showing a ciliated epithelial liningBack to article page