Officials: Sen. John McCain had cancerous tumor removed last week

The office of Sen. John McCain released a statement Wednesday evening saying the tumor that was removed from his brain last week was cancerous.

Per his office, John McCain had a cancerous tumor in his brain removed last week pic.twitter.com/RzQamcsIRh

Doctors say the tumor is associated with a blood clot and that McCain has been diagnosed with glioblastoma, an aggressive cancer.

The statement says the 80-year-old senator and his family are reviewing further treatment.

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The senator has been recovering at his Arizona home.

Doctors say he is recovering well and his underlying health is excellent.

McCain was the GOP's presidential nominee in 2008.

Pennsylvania senators Bob Casey and Pat Toomey expressed their well wishes via Twitter.

Cox Media Group