title: Thymoma: a clinicopathological study of 18 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications; D013945:Thymoma / Q000150:complications / Q000473:pathology*; D013953:Thymus Neoplasms / Q000150:complications / Q000473:pathology*