Preferred Label : Malignant Superior Vena Cava Neoplasm;
NCIt synonyms : Malignant Tumor of the Superior Vena Cava; Malignant Neoplasm of Superior Vena Cava; Malignant Tumor of Superior Vena Cava; Malignant Neoplasm of the Superior Vena Cava;
NCIt definition : A malignant neoplasm involving the superior vena cava.;