Malignant Peritoneal Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A primary or metastatic malignant neoplasm involving the peritoneum. Representative examples include carcinoma and malignant mesothelioma.

**Synonyms:** - Cancer of Peritoneum - Cancer of the Peritoneum - Malignant neoplasm of peritoneum, unspecified - Peritoneal Cancer - Peritoneal Cavity Cancer - peritoneal cancer