Benign sclerosing 'haemangioma' of the lung.
D018219:Histiocytoma, Benign Fibrous / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D008854:Microscopy, Electron; D012598:Sclerosis / Q000473:pathology; D009626:Terminology as Topic