Sclerosing hemangiomas are lung tumors originally considered to be of endothelial origin due to their vascular-like features. It is now believed that these tumors are benign neoplasms or very-low-grade malignant neoplasms arising from primitive respiratory epithelium, and more recently they have been designated pneumocytomas by some authors. Sclerosing hemangiomas are generally found in middle-aged women as coin lesions on chest x-ray examination. Grossly, sclerosing hemangiomas are circumscribed round to oval masses with a red-gray cut surface found within the lung parenchyma.