Table 2.

The location of skip metastasis and the number of involved LNs.

Location of skip LNs n(%)	Number of patients (n=55)	Number of metastatic LNs
Group 1	11(20.0%)	11
Group 2	4(7.3%)	4
Group 6	1(1.8%)	3
Group 7	28(50.9%)	67
Group 8a	18(32.7%)	30
Group 9	12(21.8%)	17
Group 10	2(3.6%)	2
Group 11	1(1.8%)	2
Group 12	3(5.5%)	4

LNs lymph nodes.