Analysis items

Breakdown

n = 25

(%)

Surgical sites

Left

17

68

Upper lobe

9

36

Lower lobe

3

12

Pneumonectomy

2

8

S3

2

8

Unknown

1

4

Right

8

32

Upper lobe

5

20

Lower lobe

3

12

Procedures

Left upper lobectomy

9

36

Left lower lobectomy

3

12

Left pneumonectomy

2

8

Right upper lobectomy

5

20

Right lower lobectomy

3

12

S3-segmentectomy

2

8

Unknown

1

4

Sites of bleeding

Pulmonary artery

14

56

Pulmonary vein

3

12

Right atrium

1

4

Right heart veins

1

4

Aorta

3

12

Unknown

3

12

Perioperative period

Intraoperative

19

76

Postoperative

5

20

Unknown

1

4

Circulation auxiliary equipment

Percutaneous Cardiopulmonary System

3

12

Cardiopulmonary Bypass

5

20

Support by cardiovascular surgeon

Supported

9

36

No support

16

64

Pneumonectomy for life-saving

4

16

Death

9

36