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Table 4 Disease stage and disease-free period

From: Head and neck cutaneous melanoma: 5-year survival analysis in a Serbian university center

Stage

Number of patients

Mean DF (months)

Location of metastasis

Number of patients

Period until the occurrence of metastasis (months)

IA

17

57.58

N

1

19

IB

28

33.89

M

2

2–60

N

19

IIA

22

21.81

M

5

6–50

N

13

IIB

7

19

M

2

6–40

N

5

IIC

9

11

M

4

4–20

N

5

III

22

9

M

16

1–32

N

6

IV

11

0

N/A

N/A

Total

116

N/A

M

29

N/A

N

49

  1. DF disease free, M parenchymal metastases, N lymphogenic metastases