<prompt> Which of the following tumor is most commonly associated with superior vena cava syndromeLymphomaSmall cell carcinomaNon small cell carcinomaMetastasis  <response>: Small cell carcinomas are central or hilar in location and are highly associated with superior vena caval syndrome and paraneoplastic syndrome. Ref:Harsh Mohan-Pathology-6th edition,page no:500. 