Malignant Duodenal Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A primary or metastatic malignant neoplasm that affects the duodenum. Representative examples include carcinoma, lymphoma, and sarcoma.

**Synonyms:** - Malignant Duodenal Tumor - Malignant Neoplasm of Duodenum - Malignant Neoplasm of the Duodenum - Malignant Tumor of Duodenum - Malignant Tumor of the Duodenum - Malignant neoplasm of duodenum