Source:http://linkedlifedata.com/resource/umls/id/C0042487
MSH: The formation or presence of a blood clot (THROMBUS) within a vein.,CSP: presence of an aggregation of blood factors, primarily fibrin and platelets, (thrombus) in a vein.,NCI: The formation of a blood clot (thrombus) in the lumen of a vein.