Serous Cystadenocarcinoma Arising in Presumed Vitelline Duct Remnant: A Case Report and Implications in the Management of Cancer of Unknown Primary

Figure 1

Abdomen and pelvis computed tomography (CT) scan revealed a 6.0-centimeter mass (arrow) involving linea alba, bilateral rectus abdominis, and subcutaneous fat. The mass was not attached to any organs. Also noted was prominent left external iliac and inguinal lymphadenopathy.