Bladder Cancer Staging
Staging of urinary bladder cancer
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 of the urinary bladder.
Stage II: Cancer cells have proliferated to the muscles in the bladder wall but not to the fatty tissue that surrounds the urinary bladder.
Stage III: Cancer cells have invaded to the fatty tissue surrounding the urinary bladder and to the prostate gland, vagina, or uterus, but not to the lymph nodes or other organs.
Stage IV: Cancer cells have spread to the lymph nodes, pelvic or abdominal wall, and/or other organs.
Recurrent: Cancer has recurred in the urinary bladder or in another nearby organ after having been treated.
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