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Table 1: Summary of patient characteristics
Characteristics No. %
Age (yr) 
    Mean 60 
    Range 18–79 
Sex 
    Female 16 36.0%
    Male 28 64.0%
Histopathology 
    Nonkeratinizing carcinoma 29 65.9%
        Differentiated 8 
        Undifferentiated 19 
        Unknown 2 
    Keratinizing carcinoma 8 18.2%
    Unknown 7 15.9%
TNM (7th AJCC) 
    T1 8 18.2%
    T2 10 22.7%
    T3 4 9.1%
    T4 22 50.0%
    N0 3 6.8%
    N1 16 36.4%
    N2 13 29.5%
    N3a 1 2.3%
    N3b 11 25.0%
    M0 41 93.2%
    M1 3 6.8%
Subsite 
    Posterior superior 12 27.3%
    Lateral wall 32 72.7%
Note:—TNM indicates tumor, node, metastasis tumor stage; AJCC, American Joint Committee on Cancer.

Characteristics	No.	%
Age (yr)
Mean	60
Range	18–79
Sex
Female	16	36.0%
Male	28	64.0%
Histopathology
Nonkeratinizing carcinoma	29	65.9%
Differentiated	8
Undifferentiated	19
Unknown	2
Keratinizing carcinoma	8	18.2%
Unknown	7	15.9%
TNM (7th AJCC)
T1	8	18.2%
T2	10	22.7%
T3	4	9.1%
T4	22	50.0%
N0	3	6.8%
N1	16	36.4%
N2	13	29.5%
N3a	1	2.3%
N3b	11	25.0%
M0	41	93.2%
M1	3	6.8%
Subsite
Posterior superior	12	27.3%
Lateral wall	32	72.7%