Primary Abdominal Ectopic Pregnancy Involving the Spleen: A Case Study. - Fambrini, Massimiliano; Farsi, Elisa; Nardi, Eleonora; Nocentini, Elena; Sorbi, Flavia; Castiglione, Francesca; Sharma, Karuna (Case Reports in Obstetrics & Gynecology, 2026)