2.

28枚接受RFA的GGN的资料

Summary of 28 GGNs by RFA

Variable	Data
SD: standard deviation; RUL: right upper lobe; RML: right middle lobe; RLL: right lower lobe; LUL: left upper lobe; LLL: left lower lobe.
Total RFA time (min)
Mean±SD	15.00±8.68
≥20	11 (39.3%)
< 20	17 (60.7%)
Tumor size (cm)
Mean±SD	1.30±0.56
≥2	9 (32.1%)
< 2	19 (67.9%)
Histology
Adenocarcinoma	27 (96.4%)
Neuroendocrine tumor	1 (3.6%)
Lobar location
RUL	11 (39.3%)
RML	2 (7.1%)
RLL	3 (10.7%)
LUL	6 (21.4%)
LLL	6 (21.4%)
RFA range (cm)
Mean±SD	2.50±0.63
≥2	18 (64.3%)
< 2	10 (35.7%)
GGN type
Pure GGN	8 (28.6%)
GGN with solid component	20 (71.4%)