In a message dated 9/21/2005 7:57:02 AM Eastern Daylight Time, [log in to unmask] writes: another procedure rather than primary. I must respectfully disagree. We have seen several effort thromboses in active young people, and often see them in cancer patients and those with coagulopathies. Your point that the primary cause, if identified, must be taken care of is certainly valid. Fraternally, James M. Russell To unsubscribe or search other topics on UVM Flownet link to: http://list.uvm.edu/archives/uvmflownet.html