Primary site The Fallopian tube extends from the posterior superior aspect of the uterine fundus laterally and anteriorly to the ovary. Its length is approximately 10 cm. The lateral end opens to the peritoneal cavity. Metastatic sites Carcinoma of the oviduct can metastasize to the regional lymph nodes, including the para-aortic nodes. Direct extension to surrounding organs, as well as intraperitoneal seeding, occurs frequently. Peritoneal implants may occur with an intact tube.