Computed tomography scan through the upper uterus (same patient in Images 1-2 in Multimedia). This image shows fluid that markedly distends the endometrial cavity secondary to obstruction of the endocervical canal by cervical cancer. A small submucosal leiomyoma projects into the right anterior aspect of the endometrial cavity and has minute calcifications.

http://%20emedicine.medscape.com/article/402329-media