Table 2.

Surgical sites in the lung segment group and lobe group.

Group	Lung segment (n = 42)	Lung lobes (n = 42)
Upper lobe of right lung		15
S1	6
S2	3
S3	7
Lower lobe of right lung		9
S6	3
S7	1
S8 + 9	1
S10	2
S7−10	1
Upper lobe of left lung		12
S1 + 2	6
S1 + 2+3	2
S4 + 5	3
Lower lobe of left lung		6
S6	3
S7 + 8	2
S9 + 10	1
S7−10	1

Complex segmentectomy: “S” indicates lung segment. Right S^8 + 9, S⁷⁻¹⁰; left S^1 + 2, S^1 + 2+3, S^4 + 5, S^7 + 8, S^9 + 10, S⁷⁻¹⁰.