Physicians at Mayo Clinic-Phoenix diagnosed Sen. John McCain, R-Ariz., with an aggressive form of brain cancer soon after the longtime senator underwent surgery for a blood clot above his left eye late last week, according to Bloomberg.
The glioblastoma tumor was discovered after physicians conducted a biopsy as part of the surgery to remove the blood clot. Mr. McCain is now exploring further treatment options, which will likely include a combination of chemotherapy and radiation. The median survival rate for patients with aggressive glioblastoma is 14.6 months, according to the American Brain Tumor Association.
Mr. McCain, 80, has represented Arizona in the Senate since 1987 and was the Republican nominee for president in 2008. He lost that race to Barack Obama, who tweeted his support for Mr. McCain upon learning of his diagnosis.
"John McCain is an American hero & one of the bravest fighters I've ever known. Cancer doesn't know what it's up against. Give it hell, John," Mr. Obama wrote.
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