Stage IV Primary Peritoneal Cancer AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IV includes: Any T, Any N, M1: M1: Distant metastasis, including pleural effusion with positive cytology; liver or splenic parenchymal metastasis; metastasis to extra-abdominal organs (including inguinal lymph nodes and lymph nodes outside the abdominal cavity); and transmural involvement of intestine. (from AJCC 8th Ed.)

**Synonyms:** - Stage IV Primary Peritoneal Cancer - Stage IV Primary Peritoneal Carcinoma AJCC v8