Table 1.

Patient and disease characteristics

Characteristics	N (%)
Sex
male	47 (88.7%)
female	6 (11.3%)
Age, years, median (range)	56.0 (range 28–76)
Histology
adenocarcinoma	23 (43.4%)
squamous cell carcinoma	16 (30.2%)
unknown	14 (26.41%)