Table 1 Clinical characteristics of the patients, nodule locations and surgical procedures

Age

 Mean (range)

52.8 ± 9.9 (32–71 years)

Sex

 Male

9

 Female

21

Mean nodule size (cm)

0.84 ± 0.36

Nodule location

RUL

13

 S¹ + S²a

3

 S² + S³a

1

 S³ + S¹b

3

 S¹ + S² + S³a

1

 S¹b

1

 S³b

1

 S²b + S³a

2

 S¹ + S² + S³ai + bi

1

LUL

11

 S¹⁺²

1

 S¹⁺²a + b

2

 S¹⁺²a + b + S³c

2

 S¹⁺²b

1

 S¹⁺²c + S³a + b

1

 S¹⁺²c + S³a

1

 S³ + S¹⁺²a

2

 S³a + S⁴a

1

RLL

2

 S⁶b + S⁸a + S⁹a

1

 S¹⁰

1

LLL

4

 S⁶ + S⁸a

1

 S⁸a + S⁹a

1

 S⁷ + S⁸

1

 S⁹ + S¹⁰

1