Table 1.

Patients characteristics

Characteristics	n = 55
Gender (Male/Female)	65.5%/ 34.5%
Age (yr, mean)	62.5
Histology
Adenocarcinoma	78.2%
Squamous cell carcinoma	3.6%
Large cell carcinoma	18.2%
TTF-1 status
+	56%
-	44%
TNM stage
Tx/T1/T2/T3/T4	10.2%/43%/18.4%/20.4%/8.1%
N0-1/ N2/ N3	56.5%/30.4%/13.1%