Ray, BCG has been shown to be very effective in high grade and in CIS. It is also used when low grade recurs. However, it is not always effective with low grade tumors. I think this is why it is not used immediately when someone is diagnosed with low grade bladder cancer.
Sara Anne
Diagnosis 2-08 Small papillary TCC; CIS
BCG; BCG maintenance
Vice-President, American Bladder Cancer Society
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