Which of the following tumor is most commonly associated with superior vena cava syndrome?
Lymphoma
Small cell carcinoma
Non small cell carcinoma
Metastasis
Malignant tumors such as lung cancer, lymphoma and metastatic tumors are responsible for 90% of SVCS cases. Lung cancer paicularly, small cell and squamous cell histologies account for approx 85% of all cases of malignant origin. Ref: Harrison's 16th Edition, Page 575