25+ Urinary Bladder Tumor PNG . In the literature, there are only a few reported cases. The urinary bladder, or simply bladder, is a hollow muscular organ in humans and other vertebrates that stores urine from the kidneys before disposal by urination. Bladder Cancer - Stepwards from www.stepwards.com Urinary retention can be acute or urinary incontinence after prostate, tumor, or cancer surgery. When of gradual onset, symptoms may include loss of bladder control, mild lower abdominal pain. A distensible membranous sac in which the urine excreted from the kidneys is stored collins discovery encyclopedia, 1st edition © harpercollins. The urinary bladder, or the bladder, is a hollow organ in the pelvis. What you should know about (urinary) bladder cysts. Bladder cancer bladder tumor urothelial carcinoma cytologic atypia urothelial tumor. Histologic typing of urinary bladder tumors. Abstr...