Table 1. Summary of nodule characteristics and surgical procedures.

Nodule characteristics	No.	%
Nodule size (mm)	7.1±2.7
Nodule location
LUL	11	29.7
LLL	3	8.1
RUL	14	37.8
RML	2	5.4
RLL	7	18.9
Nodule type
Pure GGN	24	64.9
Mixed GGN	13	35.1
Depth from pleura
<10 mm	6	16.2
10–20 mm	23	62.2
20–30 mm	8	21.6
Final pathologic reports
Benign tumor	2	5.4
AAH	2	5.4
AIS	6	16.2
MIA	17	45.9
Invasive adenocarcinoma	8	21.6
Metastases	2	5.4
Surgery type
Wedge resection	21	56.8
Segmentectomy	8	21.6
Lobectomy	8	21.6

LUL, left upper lobe; LLL, left lower lobe; RUL, right upper lobe; RML, right middle lobe; RLL, right lower lobe; GGN, ground-glass nodule; AAH, atypical adenomatous hyperplasia; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma.