A British Medical Journal report questions an invasive, expensive standard practice for melanoma patients in the U.S. Called sentinel node biopsy, the approach involves testing lymph nodes near tumors for cancer cells and removing nodes that test positive. The report cites a 2006 study showing that sentinel node biopsy did not increase 5-year survival rates and calls for further analysis of the practice’s effectiveness. Sentinel node biopsies are not standard in the UK.
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