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Characteristic
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Patients
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|---|
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Age (Median)
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56.5
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Sex
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Male
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25 (74 %)
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Female
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9 (27 %)
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Location
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Tonsil
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17 (50 %)
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Base of Tongue
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16 (47 %)
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Soft Palate
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1 (3 %)
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Smoking
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Smoker
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21 (62 %)
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Non-Smoker
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13 (38 %)
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p16
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Positive
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28 (82 %)
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Negative
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3 (9 %)
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Undetermined
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3 (9 %)
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Preoperative Tumor Size (median, n = 25)
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2.20 cm
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Postoperative Tumor Size (median, n = 31)
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2.20 cm
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Preoperative Node Size (median, n = 23)
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3.00 cm
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Postoperative Node Size (median, n = 19)
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3.50 cm
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Preoperative T Stage
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T0
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3 (9 %)
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T1
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7 (21 %)
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T2
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21 (62 %)
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T3
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2 (6 %)
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T4
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0 (0 %)
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Unknown
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1 (3 %)
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Postoperative T Stage
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T1
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12 (35 %)
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T2
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17 (50 %)
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T3
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4 (12 %)
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T4
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0 (0 %)
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Unknown
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1 (3 %)
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Preoperative N Stage
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N0
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10 (29 %)
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N1
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9 (27 %)
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N2
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14 (41 %)
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N3
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0 (0 %)
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Unknown
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1 (3 %)
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Postoperative N Stage
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N0
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13 (38 %)
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N1
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3 (9 %)
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N2
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17 (50 %)
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N3
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1 (3 %)
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Preoperative Overall Stage
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Stage I
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2 (6 %)
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Stage II
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6 (18 %)
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Stage III
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11 (33 %)
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Stage IVA
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14 (42 %)
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Unknown
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1 (3 %)
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|
Postoperative Overall Stage
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Stage I
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4 (12 %)
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Stage II
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5 (15 %)
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Stage III
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6 (18 %)
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Stage IVA
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18 (53 %)
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Unknown
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1 (3 %)
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Lymph Nodes
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Positive node on imaging
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23 (68 %)
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Neck dissection performed
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29 (85 %)
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Positive node on dissection
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19 (56 %)
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ECE present
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15 (44 %)
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No ECE present
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14 (41 %)
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Extent of ECE (median, n = 13)
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2.00 mm
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ECE Lewis Grade
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|
0
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1 (3 %)
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1
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4 (12 %)
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2
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7 (21 %)
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3
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7 (21 %)
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4
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1 (3 %)
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Surgical Margins
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Positive
|
4 (12 %)
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Negative
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30 (88 %)
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Distance to negative margins (median)
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3.00 mm
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Adjuvant Therapy
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|
None
|
10 (29 %)
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Radiation therapy alone
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7 (21 %)
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Chemoradiation therapy
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17 (50 %)
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-
ECE indicates extracapsular extension
