Table 1.

Comparison of Clinical Features According to Lymph Node Metastasis.

Variables	LN metastasis (n = 37)	non- LN metastasis (n = 24)	P value
Age(y), Mean ± SD	44.65 ± 11.29	49.71 ± 11.82	0.099
Sex			0.586
Male  Female	10 (27.02%) 27 (72.98%)	5 (20.83%) 19 (79.17%)
Largest diameter (mm)  Mean ± SD	13.41 ± 6.74	11.29 ± 5.34	0.201
Location			0.520
Left lobe	16	10
Right lobe	21	13
Isthmus	0	1