TABLE 1.

Demographic and anatomical findings

Characteristic	N 464	%
Gender
Male	339	73%
Female	125	27%
Age
Mean age, years (range)	67 years (range 17–88)
Site
Monostation N1/N2 lymph node	351	75.6%
Multiple N2/N1 + N2 lymph nodes	109	23.5%
Lung lesion or mass	4	0.9%