Continuing the theme of things extending into spaces they don't belong in, this is an incidental finding of an inguinal hernia that contains a small portion of the bladder. The patient got the CT for other reasons.

Bowel into inguinal hernia causing bowel obstruction.

Appendix into inguinal hernia, incidental finding.

Ventriculoperitoneal shunt into inguinal hernia, incidental finding.