Sen. John McCain diagnosed with brain cancer

Sen. John McCain (R-AZ) has been diagnosed with brain cancer, CNN reports.

The news comes after the senator underwent surgery for a blood clot above his left eye. The Arizona Republic’s Dan Nowicki reports a tissue pathology revealed "a primary brain tumor known as a glioblastoma.”

The McCains are reportedly "reviewing further treatment options,” including “a combination of chemotherapy and radiation.”

Read the full statement on McCain's condition below, via the Mayo Clinic:

McCain's daughter, Meghan McCain, also issued a statement on her "rock and hero":