The third layer is muscle tissue called the muscularis propria. The fourth layer is fatty connective tissue. It separates the bladder from other body organs, such as the prostate and kidneys. Doctors ...

High-risk, non-muscle-invasive bladder cancer is defined as any ... Muscle bundles in the lamina propria, the muscularis mucosae, can be misinterpreted as muscle invasion. If persistent T1G3 ...