peritoneal carcinoma primary peritoneal carcinoma https://www.malacards.org/card/primary_peritoneal_carcinoma primary peritoneal serous carcinoma primary peritoneal carcinoma A rare carcinoma that arises from the peritoneum and resembles the malignant surface epithelial-stromal tumors that arise from the ovary. Serous adenocarcinoma is the most common histologic variant. It affects women almost exclusively. The diagnosis of primary peritoneal carcinoma can be made only if both ovaries are not involved by tumor, or, if the ovaries are involved, the tumor is confined to the ovarian surface without invasion of the ovarian stroma and the peritoneal involvement is greater than the ovarian surface involvement. primary peritoneal cancer HP:0030406 UMLS:C1514428 MONDO:0015686 primary peritoneal carcinoma (disease) GARD:0020103 EOPPC PPC Orphanet:168829 Extra-ovarian primary peritoneal carcinoma serous surface papillary carcinoma primary peritoneal carcinoma (disease) NCIT:C40022 MEDGEN:269516