(... BLA-der KAN-ser)

Cancer has spread into the connective tissue but has not reached the muscle layers of the bladder. Stage I bladder cancer may also be described as non-muscle-invasive bladder cancer.

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• Bladder Cancer Stages

Figure

Stage I bladder cancer (non-muscle-invasive bladder cancer). Cancer has spread into the connective tissue but has not reached the muscle layers of the bladder.