central venous thrombosisvenous thrombosis pulmonary embolismvenous embolismsuperficial venous thrombosiscerebral venous thrombosis symptomsmesenteric venous thrombosiscortical venous thrombosisvenous sinus thrombosis symptomspulmonary venous embolismdural venous sinus thrombosisvenous thromboembolism symptomsdeep vein thrombosis embolism
