Blood clots. A blood vessel may very well be blocked by an embolus. This is a very small mass of debris that moves with the bloodstream. Or it might be blocked by a thrombus. That is a blood clot. [thirteen] In a very tumor which include infantile hemangioma the mass is https://www.sgvascularctr.com/a-comprehensive-approach-to-lymphoedema-treatment-a-vascular-surgeons-perspective/