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Table 3 Margins excision technique and their degree of artifact

From: CO2 laser versus cold steel margin analysis following endoscopic excision of glottic cancer

Degree of artifact Laser Steel Total
None (% of technique) 1 (0.9) 6 (5.4) 7 (3.1)
Minor (% of technique) 75 (65.2) 83 (74.8) 158 (69.9)
Marked (% of technique) 39 (33.9) 20 (18.0) 59 (26.1)
Uninterpretable (% of technique) 0 (0) 2 (1.8) 2 (0.9)