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Table 1 The table shows the number of patients with different tumor subgroups and tumor stages.

From: The checkpointkinase 2 (CHK2) 1100delC germ line mutation is not associated with the development of squamous cell carcinoma of the head and neck (SCCHN)

Tumor Stage

Oropharynx

n = 57

Hypopharynx

n = 12

Larynx

n = 22

T1

16

1

10

T2

21

8

6

T3

15

1

3

T4

5

2

3

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Journal of Negative Results in BioMedicine

ISSN: 1477-5751

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