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Table 2 Primary Tumor Stages

From: The impact of human papillomavirus (HPV) status on functional outcomes and quality of life (QOL) after surgical treatment of oropharyngeal carcinoma with free-flap reconstruction

  N0 N1 N2a N2b N2c N3 TOTAL
T1 1 (1%) 2 (2%) 4 (3.5%) 2 (2%) 0 (0%) 2 (2%) 11 (10%)
T2 1 (1%) 5 (4.5%) 7 (6.25%) 10 (9%) 2 (2%) 5 (4.5%) 30 (27%)
T3 13 (12%) 6 (5.4%) 7 (6.25%) 18 (16%) 3 (2.7%) 2 (2%) 49 (44%)
T4 1 (1%) 5 (4.5%) 3 (2.7%) 5 (4.5%) 7 (6.25%) 1 (1%) 22 (19%)
TOTAL 16 (14%) 18 (16%) 21 (19%) 35 (31%) 12 (11%) 10 (9%) 112