What is glioblastoma? Local neurosurgeon explains John McCain diagnosis

University Hospitals neurological surgeon discusses McCain's condition

CLEVELAND - Senator John McCain has been diagnosed with a brain tumor, his office said in a statement Wednesday.

The 80-year-old lawmaker has glioblastoma, according to doctors at the Mayo Clinic in Phoenix, where McCain had a blood clot removed from above his left eye last Friday. 

What is 'glioblastoma' and how aggressive is it? Does age play a factor in the treatment?  And did the condition play a factor in McCain's confusing round of questions at James Comey's hearing before the U.S. Senate last month?

WKYC Channel 3 anchor Russ Mitchell asked these questions and more to Dr. Andrew Sloan, neurological surgeon and Director, Brain Tumor and Neuro-Oncology Center at University Hospitals. You can see the interview above. 

© 2017 WKYC-TV


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