Most common blood clots occur in the leg. This can be deadly if the clot moves to a lung and blocks the flow of blood to the heart. Mrs. Clinton suffered a blood clot in her leg in 1998. She once said that it was the biggest health threat she had ever faced.最常见的血凝块发生在腿部.如果血凝块移动到肺部并阻止血液回流心脏就可能致命.1998年克林顿夫人的腿部就出现过血凝块.她曾表示,那是她遇到过的最大的健康威胁.
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