Bladder cancer-Stages

Stages of Bladder Cancer The following stages are used to classify the location, size, and spread of the cancer, according to the TNM (tumor, lymph node, and metastasis) staging system: Stage 0: Cancer cells are found only on the inner lining of the bladder. Stage I: Cancer cells have proliferated to the layer beyond the inner lining of the urinary bladder but not to the muscles