The daughter of U.S. Sen. John McCain of Arizona says the 80-year-old lawmaker has completed the first round of radiation and chemotherapy as he battles an aggressive form of brain cancer.
Meghan McCain also tweeted Friday afternoon that her father's "resilience & strength is incredible. Fight goes on, here's to small wins."
McCain, the Republican presidential nominee in 2008 and a six-term senator, was diagnosed last month with glioblastoma.
Doctors at the Mayo Clinic in Phoenix say they removed a blood clot above the senator's left eye and managed to remove all...