Malignant Superior Vena Cava Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A malignant neoplasm involving the superior vena cava.

**Synonyms:** - Malignant Neoplasm of Superior Vena Cava - Malignant Neoplasm of the Superior Vena Cava - Malignant Tumor of Superior Vena Cava - Malignant Tumor of the Superior Vena Cava