Time of ND Negative, n (%) Non-viable, n (%) Positive, n (%) Total
<12 weeks 22 (36.7) 19 (31.7) 19 (31.7) 60 (49.6)
≥ 12 weeks 22 (36.0) 20 (32.8) 19 (31.1) 61 (50.4)
Total 44 (36.4) 39 (32.2) 38 (31.4) 121
Abbreviation: ND=neck dissection
Table 5: Pathology results based on the timing of neck dissection.