| http://www.w3.org/ns/prov#value | - * The surgery itself has risks, including blood clots, haematomas, nerve injury and, with sclerotherapy, an obstructed blood flow or leaking of the irritant solution into surrounding tissues * A greater risk of deep vein thrombosis (DVT), but only if you are having major abdominal or pelvic surgery (BMJ, 1996; 312: 198).
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