Table 1. Demographics of 20 patients diagnosed with lung adenocarcinoma.

Age*	65 (55-78)
Sex
Female	8
Male	12
Smoking status	17 smokers
Pack-years	35 ± 22
Location of tumor †	All are peripheral tumors
Stage	All are stage I
Histology	All are lung adenocarcinoma

^*Data are presented as median (range).

^†Peripheral tumors were located at or within 1 cm of the visceral pleura.