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. Author manuscript; available in PMC: 2013 Aug 20.
Published in final edited form as: Cancer. 2011 Oct 5;118(10):2632–2640. doi: 10.1002/cncr.26586

Table 1.

Patient characteristics

Characteristic Value or No. of Patients (%)
Sex
 Female 33 (14%)
 Male 206 (86%)
Age, years
 median (range) 66 (30-90)
Tumor category
 T1 7 (3%)
 T2 24 (10%)
 T3 193 (81%)
 T4 13 (5%)
 TX 2 (1%)
Lymph node category
 N0 77 (32%)
 N1 160 (67%)
 NX 2 (1%)
Metastasis category
 M0 189 (79%)
 M1a 28 (12%)
 M1b 22 (9%)
Tumor location
 Cervical 3 (1%)
 Upper thoracic 18 (7%)
 Mid-thoracic 29 (12%)
 Lower thoracic 189 (79%)
Tumor histology
 Adenocarcinoma 181 (76%)
 Squamous cell 57 (24%)
 Neuroendocrine 1 (0.4%)
Tumor grade
 G1 (well differentiated) 2 (1%)
 G2 (moderately differentiated) 107 (45%)
 G3 (poorly differentiated) 129 (54%)
 GX (undetermined) 1 (0.4%)
Tumor length, cm
 median (range) 5 (1-17)
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