Table 1 Patient and tumor characteristics

No. of patients

24

38

Mean age (yr)^a

56.8 (10.4)

57.3 (11.7)

Gender

 Male

 Female

15

9

23

15

Distalsurgicalmargin (cm)^a

1.69 (0.12)

1.58 (0.15)

0.056

Lateral surgical margin

0 (0)

0 (0)

0.87

  < 1 mm

 1-3 mm

  > 3 mm

5 (20.9)

19 (79.1)

6 (15.8)

32 (84.2)

yTNM stage

<0.05

 Stage I

 Stage II

 Stage III

19 (79.2)

0 (0)

5 (20.8)

0 (0)

22 (57.9)

16 (42.1)