Bladder cancer. Light micrograph (LM) of a section through a transitional cell carcinoma (TCC, cancer) of the bladder wall. TCC is the most common form of bladder cancer and arises from the transitional epithelium that lines the inner surface of hollow organs such as the bladder. Treatment options for bladder cancer depend on a number of factors, including the type of cancer, grade of the cancer and stage of the cancer. Magnification: x150 when printed at 10 centimetres wide.