Sclerosing hemangioma is an uncommon lung tumor believed to be derived from primitive respiratory epithelium. The tumor cells consist of two basic cell populations: surface cuboidal cells and deeper polygonal stromal cells. These tumors show a distinct female predilection and some series have been exclusively female. Among females, nonsmoking, middle-age Asian women appear to be at greater risk. The mean age at presentation is about 45 years but age varies widely from adolescence to mid-eighties. Up to 90% of the patients are said to be asymptomatic. Rare patients will present with vague chest pain or discomfort. Chest radiographs show nodular lesions that may gradually enlarge over time. There is no preference for any lobe of the lung but most are juxtapleural. Calcification can be appreciated on computed tomography and while cavitation does not occur, some cases may have a positive air-meniscus sign.