title: Astrocytoma in three sisters.
abstract: Three sisters died of astrocytoma, and the microscopic appearance of the tumor was the same in all three. This finding supports either genetic or environmental influences in the occurrence of brain tumors.
mesh_terms: D000368:Aged; D001254:Astrocytoma / Q000235:genetics* / Q000473:pathology; D001932:Brain Neoplasms / Q000235:genetics* / Q000473:pathology; D005260:Female; D006801:Humans