Peritoneal Mesothelial Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A mesothelial neoplasm that arises from the peritoneum. It includes adenomatoid tumor, well differentiated papillary mesothelial tumor, multicystic mesothelioma, and malignant mesothelioma.

**Synonyms:** - Mesothelial Neoplasm of Peritoneum - Mesothelial Neoplasm of the Peritoneum - Mesothelial Tumor of Peritoneum - Mesothelial Tumor of the Peritoneum - Mesothelioma of peritoneum - Peritoneal Mesothelial Tumor - Peritoneal Mesothelioma