Table 1 Patient characteristics and clinical characteristics

Age (years)

67.0 (13.0)

Gender (male/female)^a

130/36 (78.3/21.7)

ASA score 2^a

53 (31.9)

ASA score 3^a

103 (62.0)

ASA score 4^a

10 (6.0)

Pulmonary disease^a

49 (29.5)

Cardiovascular disease^a

87 (52.4)

Neoadjuvant treatment^a

144 (86.7)

 cT1

14 (8.4)

 cT2

44 (26.5)

 cT3

106 (63.9)

 cT4

2 (1.2)

 cNo

38 (22.9)

 cN1

97 (58.4)

 cN2

30 (18.1)

 cN3

1 (0.6)