Abstract
In the presence of a large tumor mass, the urinary bladder is usually distended. The bladder wall is sometimes irregularly depressed at the base of the tumor as a result of invasion. Many dilated tortuous blood vessels which distribute to the tumor site are prominent on the serosal side; on the mucosal side, tumors usually grow exophytically to form solid, sessile, solitary or sometimes multiple,large tumor masses.
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Hirose, M., Shirai, T. (1998). Squamous Cell Carcinoma, Urinary Bladder, Rat. In: Jones, T.C., Hard, G.C., Mohr, U. (eds) Urinary System. Monographs on Pathology of Laboratory Animals. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-80335-2_40
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DOI: https://doi.org/10.1007/978-3-642-80335-2_40
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