US Senator McCain Diagnosed with Aggressive Brain Cancer

News ID: 1469421 Service: World
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TEHRAN (Tasnim) – US Senator John McCain, the 2008 Republican presidential nominee known for political independence during more than three decades in the Senate, has been diagnosed with an aggressive form of brain cancer, his office said on Wednesday.

The 80-year-old lawmaker and former Navy pilot, who was re-elected to a sixth Senate term in November, has been recovering at home in Arizona since undergoing surgery at the Mayo Clinic in Phoenix last Friday to remove a blood clot from above his left eye.

Tissue analysis since that procedure revealed that a brain tumor known as a glioblastoma was associated with the clot, his office said.

McCain's doctors said he was recovering from surgery "amazingly well" and that his underlying health was excellent, Reuters reported. Treatment options include a combination of chemotherapy and radiation.

However, glioblastoma is considered a grade IV tumor, the most malignant of gliomas. Medical experts said it can be very aggressive and spread into other parts of the brain quickly.

"It takes people’s lives almost uniformly ... The tumor cells are very resistant to conventional therapy, such as radiation and chemotherapy. It’s a poor prognosis," said Dr. Richard Ellenbogen, who chairs the Department of Neurological Surgery at the University of Washington.

McCain's daughter, Meghan McCain, said the family was shocked by the diagnosis but that her father was the "most confident and calm" of them all as he prepared for a new battle against cancer.

McCain, the son and grandson of admirals, was a US Navy pilot. His plane was shot down over Vietnam in 1967 and he spent 5-1/2 years as a prisoner of war.

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