Table 2.

Summary of Patients Characteristics

Variable	All patients (n = 112)
Median age (years)a	69 (32–85)
Sex, n (%)
M	84 (75.0%)
F	28 (25.0%)
Histologic subtype, n (%)
Adenocarcinoma	72 (64.3%)
Squamous cell carcinoma	28 (25.0%)
Other	12 (10.7%)
TNM stage
T1/T2/T3/T4	25 / 47 / 10 / 30
N0/N1/N2/N3	29 / 13 / 41 / 29
M0/M1	63 / 49
Stage I / II / III / IV	16 / 1 / 47 / 48
Treatment, n (%)
Chemotherapy	82 (73.2%)
Surgery	21 (18.8%)
Radiation	1 (0.9%)
Surgery + Chemotherapy	8 (7.1%)

^aNumbers in parentheses are ranges