Sagittal T2-weighted magnetic resonance image (MRI) of a large cervical tumor extending through the entire cervical stroma and extensively involving the uterine corpus, vagina, bladder wall, and posterior urethral region . The invasion of the bladder wall is a feature of stage IVa disease. Courtesy of Kaori Togashi, MD, Hitachi Medical Corporation, Chair of Department of Diagnostic and Interventional Imageology, Kyoto University, Japan.

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