Fig. 3From: Thoracoscopic segmentectomy for intralobar sequestration in adult: a case reportHistopathological findings. a Macroscopic specimen showing multiple cystic lesions with a boundary and elastic artery flow into that area. b Hematoxylin and eosin (HE) staining showing fibrous thickening of the alveolar wall, glandular squamous metaplasia, and a lymphoid follicle structure caused by repeated pneumonitisBack to article page