Doctors say Secretary of State Hillary Clinton is making excellent progress today after an MRI revealed a blood clot behind her right ear on Sunday. The clot is in a vein of the surface of the brain that carries blood to the heart and lungs.
The fear is that if it grows larger, blood could back up in the brain causing a stroke. So, doctors are using blood thinners to slowly dissolve the clot.
Dr. Andrew Russman, a neurologist at the Cleveland Clinic, said, "If you look at the prognosis for this type of problem, typically if it's isolated to one small area the prognosis is very good."
As Secretary of State, Hillary Clinton has logged almost a million miles visiting 112 countries. This is not the first time a blood clot has interrupted her routine. She had one in her leg in 1998.
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