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A 33-year-old member asked:

why and how does metastatic cancer cause circulation problems like blood clots?

1 doctor answer1 doctor weighed in
Dr. Rodeen Rahbar
Vascular Surgery 20 years experience
Not exactly known: About 10% of people diagnosed with an unprovoked dvt/pe will be found to have cancer within 12 months. The relationship is not fully understood, but it is believed that cancer causes an inflammatory response which activates coagulation factors.

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Last updated Jul 6, 2012

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