label: Stage IV Primary Peritoneal Cancer AJCC v8
label_lc: stage iv primary peritoneal cancer ajcc v8
description: 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.)