AJCC 2002 Melanoma Staging
Stage
Histological Features/TNM Classification

Survival

1-year
5-year
10-year
0

Intraepithelial/in situ melanoma (TisN0M0)

  

100%

100%

IA

< 1 mm without ulceration and Clark Level II/III (T1aN0M0)

  
95%
88%
IB
< 1 mm with ulceration or level IV/V (T1bN0M0)
  
91%
83%
1.01-2 mm without ulceration (T2aN0M0)
89%
79%
IIA
1.01-2 mm with ulceration (T2bN0M0)   
77%

64%

2.01-4 mm without ulceration (T3aN0M0)

79%

64%

IIB
2.01-4 mm with ulceration (T3bN0M0)   
63%
51%

> 4 mm without ulceration (T4aN0M0)

67%
54%
IIC
> 4 mm with ulceration (T4bN0M0)   
45%
32%
IIIA
Single regional nodal micrometastasis, nonulcerated primary (T1-4aN1aM0)   
69%
63%
2-3 microscopic regional nodes, nonulcerated primary (T1-4aN2aM0)
63%
57%
IIIB
Single regional nodal micrometastasis, ulcerated primary (T1-4bN1aM0)   
53%
38%
2-3 microscopic regional nodes, ulcerated primary (T1-4bN2aM0)

50%

36%

Single regional nodal macrometastasis, nonulcerated primary (T1-4aN1bM0)

59%

48%
2-3 macroscopic regional nodes, nonulcerated primary (T1-4aN2bM0)

46%

39%

In-transit met(s)/satellite lesion(s) without metastatic lymph nodes (T1-4a/bN2cM0)

30-50%

 
IIIC
Single macroscopic regional node, ulcerated primary (T1-4bN1bM0)
  
  
29%
24%

2-3 macroscopic regional nodes, ulcerated primary (T1-4bN2bM0)

24%
15%
4 or more metastatic nodes, matted nodes/gross extracapsular extension, or in-transit met(s)/satellite(s) and metastatic nodes (anyTN3M0)
27%
18%
IV

Distant skin, subcutaneous, or nodal mets with normal LDH (any TanyNM1a)

59%
19%
16%
Lung mets with normal LDH (anyTanyNM1b)
57%
7%
3%
All other visceral mets with normal LDH or any distant mets with increased LDH (anyTanyNM1c)
41%
9%
6%

 

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