Fig. 2From: Review of evolving etiologies, implications and treatment strategies for the superior vena cava syndromeStent placement for superior vena cava (SVC) syndrome. a Pre-stenting: SVC occluded by large tumor. White arrow SVC. Black Chevron tumor occluding SVC. b Post-stenting: SVC now patent. White arrow stent in SVC. Black Chevron tumor surrounding SVCBack to article page