UNITED STATES - AUGUST 3: Sen. John McCain, R-Ariz., holds a news conference on the stimulus oversight report on Tuesday, ...

Senator John McCain says he’ll ‘be back soon, so stand-by’

Arizona Sen. John McCain says he’s grateful for the outpouring of support after his brain cancer diagnosis. He’s promising to be back soon.

In a tweet Thursday, McCain says: “I greatly appreciate the outpouring of support – unfortunately for my sparring partners in Congress, I’ll be back soon, so stand-by!”

READ MORE: Sen. John McCain has a brain tumor, doctors say

McCain’s office said late Wednesday that the 80-year-old senator had been diagnosed with cancer. Doctors in Arizona removed a blood clot above his left eye last Friday. Pathology tests revealed a brain tumor associated with the clot.

McCain has been recuperating at his home in Arizona.

We're not going anywhere.

Stand up for truly independent, trusted news that you can count on!