👉 Cystoepithelioma is a type of cancer that occurs in the lining of the bladder. It usually starts in the lining cells of the bladder, but it can also develop outside the body. Cysts are small fluid-filled sacs or collections of fluid that form around the walls of the bladder and can cause symptoms such as pain or discomfort when urinating. Cystoepitheliomas can be benign (not cancerous) or malignant (cancerous). If they are
