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Page: Staging
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Also of importance are the "Clark level" and "Breslow depth" which refer to the microscopic depth of tumor invasion.
Melanoma stages:
Stage 0: Melanoma in Situ (Clark Level I), 100% Survival
Stage I/II: Invasive Melanoma, 85-95% Survival
* T1a: Less than 1.00 mm primary, w/o Ulceration, Clark Level II-III
* T1b: Less than 1.00 mm primary, w/Ulceration or Clark Level IV-V
* T2a: 1.00-2.00 mm primary, w/o Ulceration
Stage II: High Risk Melanoma, 40-85% Survival
* T2b: 1.00-2.00 mm primary, w/ Ulceration
* T3a: 2.00-4.00 mm primary, w/o Ulceration
* T3b: 2.00-4.00 mm primary, w/ Ulceration
* T4a: 4.00 mm or greater primary w/o Ulceration
* T4b: 4.00 mm or greater primary w/ Ulceration
Stage III: Regional Metastasis, 25-60% Survival
* N1: Single Positive Lymph Node
* N2: 2-3 Positive Lymph Nodes OR Regional Skin/In-Transit Metastasis
* N3: 4 Positive Lymph Nodes OR Lymph Node and Regional Skin/In Transit Metastases
Stage IV: Distant Metastasis, 9-15% Survival
* M1a: Distant Skin Metastasis, Normal LDH
* M1b: Lung Metastasis, Normal LDH
* M1c: Other Distant Metastasis OR Any Distant Metastasis with Elevated LDH
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Important notice:
The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other
qualified health provider with any questions you may have regarding a medical condition.
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