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Table 23-1

Melanoma stage 5-year survival (%) Stage 0 melanoma in situ, melanoma cells only in the epidermis, no invasion 100 Stage 1A melanoma with Breslow thickness 1 mm without ulceration/lymph node involvement 95 Stage 1 B melanoma with Breslow thickness 1 mm with ulceration/no lymph node involvement or 1.01-2 mm Breslow without ulceration/lymph node involvement 91 Stage 2 A melanoma with Breslow thickness > 1 mm to 2.01 mm without ulceration/metastases or 2.01-4 mm without ulceration/lymph node involvement 77-79 Stage 2 B melanoma 2.01-4 mm Breslow with ulceration/no lymph nodes or > 4 mm without ulceration/lymph nodes 63-67 Stage 2 C melanoma >4 mm Breslow with ulceration/no lymph nodes 45 Stage 3 A Any Breslow without ulceration/with 1-3 lymph node micrometastases 63-70 Stage 3 B Any Breslow with ulceration and 1-3 lymph node micrometastases or any Breslow without ulceration plus 1-3 lymph node macrometastases 46-59 Stage 3 C Any Breslow, without ulceration plus 1-3 macrometastases or ≥ 4 metastatic lymph nodes or melanoma satellites 24-29 Stage 4 melanoma with metastases in the skin, subcutaneous tissue or lymph nodes at distant sites or metastases in visceral organs 7-19