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Table 3

Microsatellite analysis of clinical samples by N-stage of the tumor at the time of surgerya

Sample (n = 28)pN-StageP                  b
pN0 (n = 12)pN1 (n = 16)
Tumor LOH/SHIFT 10 (83.3) 16 (100) 0.17 n.s 
 Tumor 1–2 2 (16.7) 3 (18.8) 0.28 n.s 
 Tumor > 2 8 (66.7) 13 (81.3) 0.17 n.s 
Serum LOH/SHIFT 11 (91.7) 16 (100) 0.42 n.s 
 Serum 1–2 3 (25) 5 (31.4) 0.44 n.s 
 Serum > 2 8 (66.7) 11 (68.8) 0.45 n.s 
Sample (n = 28)pN-StageP                  b
pN0 (n = 12)pN1 (n = 16)
Tumor LOH/SHIFT 10 (83.3) 16 (100) 0.17 n.s 
 Tumor 1–2 2 (16.7) 3 (18.8) 0.28 n.s 
 Tumor > 2 8 (66.7) 13 (81.3) 0.17 n.s 
Serum LOH/SHIFT 11 (91.7) 16 (100) 0.42 n.s 
 Serum 1–2 3 (25) 5 (31.4) 0.44 n.s 
 Serum > 2 8 (66.7) 11 (68.8) 0.45 n.s 
a

Number (%) of LOH or SHIFT in the sample according to N-stage.

b

Two-sided Fisher’s exact test.

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