http://www.dailymail.co.uk/news/article-4714388/McCain-tells-Graham-ll-brain-cancer.html'I'll be back': Cancer-stricken John McCain tells his closest friend in the Senate that he won't give up as politics prays for war hero after devastating diagnosis
John McCain announced he'd been diagnosed with cancer on Wednesday night
The 80-year-old Arizona Senator is recovering in Arizona with his family
He had gone in to hospital to have a blood clot removed from his eye last week
The procedure set back the Senate vote on the Republicans' now scrapped healthcare bill
Doctors realized his condition was more serious after the procedure last week
President Trump shared his well wishes for the 80-year-old after news of his severe diagnosis emerged
Some questioned whether the brain tumor was behind his confused questioning of ousted FBI director James Comey in June
By Wires and Francesca Chambers, White House Correspondent For Dailymail.com
Published: 09:00 EDT, 20 July 2017 | Updated: 09:48 EDT, 20 July 2017
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