Table 1 Preoperative data

Age, years (median and range)

40 (18–82)

Weight, kg (mean and range)

69.1 (43–106)

Male/female (n)

24:11

Preoperative radiotherapy (%)

28.6

Preoperative chemotherapy (%)

17.1

 1

14

 2

13

 3

8

Tobacco use (n)

15

Arterial hypertension (n)

9

Diabetes (n)

2

Coronary disease (n)

1

Asthma (n)

1

Chronic renal failure (n)

1

Gastroesophageal reflux disease (n)

1

Pulmonary metastasis (n)

4

Depression (n)

2