This study is being done to test the feasibility and accuracy of using an ultrasound-guided core needle biopsy technique as a potential tool for staging urothelial carcinoma of the bladder (UCB).

Inclusion Criteria:

• Undergoing radical cystectomy for confirmed or suspected urothelial carcinoma of the bladder
• Prior abdominal imaging

Exclusion Criteria:

• History of partial cystectomy or complex bladder reconstruction or substitution (i.e. bladder augment or urothelial recurrence in a neobladder)

Patients undergoing radical cystectomy for confirmed or suspected urothelial carcinoma of the bladder