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) |