Washington -- Sen. Edward Kennedy, a liberal icon who has spent more than four decades at the forefront of social change efforts in Congress, has been diagnosed with a cancerous brain tumor, physicians at Boston's Massachusetts General Hospital said Tuesday.
A biopsy of a portion of the Massachusetts Democrat's brain identified a malignant glioma as the cause of the seizure that hospitalized him Saturday, according to a statement by Lee Schwamm, the hospital's vice chairman of neurology, and Larry Ronan, the 76-year-old's primary-care physician. A glioma is the most common type of brain tumor. The prognosis for patients is poor, according to the National Institutes of Health.
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