Borderline Peritoneal Serous Tumor

**Semantic type:** Neoplastic Process

**Definition:** A serous epithelial tumor that arises from the peritoneum and histologically resembles the serous borderline tumors that arise from the ovary.

**Synonyms:** - Peritoneal SBT - Peritoneal Serous Borderline Tumor - Primary Borderline Peritoneal Epithelial Neoplasm - Primary Borderline Peritoneal Epithelial Tumor - Primary Peritoneal Borderline Epithelial Neoplasm - Primary Peritoneal Borderline Epithelial Tumor - Primary Peritoneal Serous Borderline Tumor - Primary Peritoneal Serous Borderline Tumor/ Primary Peritoneal Atypical Proliferative Serous Tumor