Although we observed a trend suggesting better cumulative survival for ENE grades 1 (81.3% 3‐year OS) and 2 (88.2%) compared to grades 0 (63.2%), 3 (53.3%), and 4 (55.6%) ( Figure 2A ), this difference did not reach statistical significance.
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The Importance of Extranodal Extension Grading in Laryngeal Squamous Cell Carcinoma.
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