The Associated Press is reporting the type of brain cancer John McCain has been diagnosed with is “particularly aggressive” and has a five-year survival rate for patients over 55 of only about 4 percent.
WASHINGTON (AP) — Sen. John McCain’s tumor is one of the most aggressive forms of brain cancer, and his family and doctors are deliberating next treatment options.
The senator had undergone surgery last week to have a blood clot removed from above his left eye, and that clot turned out to be a sign that a tumor called a glioblastoma had begun growing.
Here are some things to know:
McCain’s doctors at the Mayo Clinic said they managed to remove all the tumor that was visible on brain scans. But this kind of tumor, formally known as a glioblastoma multiforme, is aggressive and sneaky. It puts out microscopic roots that go deeper into brain tissue, explained Dr. Joshua Bederson, chairman of neurosurgery at Mount Sinai Health System in New York, who has no direct knowledge of McCain’s care.
Still, a tumor above the eye is in a location that permits removal with far less risk of damage to language, motor and other brain functions than in many other areas, he noted.
SURGERY IS HARDLY EVER ENOUGH
McCain’s Mayo doctors said the senator’s next treatment options may include a combination of chemotherapy and radiation.
That’s standard, and the care can take weeks to months. Even among those who respond to initial treatment, the cancer can come back, and often within 12 to 24 months. The American Cancer Society puts the five-year survival rate for patients over 55 at about 4 percent.
It appears it’s quite unlikely John McCain is coming back.
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