Table 1 Characteristics of the 125 analyzed prostate cancers

Age (yrs)

mean ± sd

44.8 ± 2.6

75.2 ± 1.5

Prostate volume (ml)

mean ± sd

28.4 ± 11.6

46.3 ± 24.5

Tumor volume (ml)

mean ± sd

3.5 ± 6.9

7.0 ± 9.9

pT stage

pT2

51

35

pT3a

6

18

pT3b

6

9

Gleason score

≤3 + 3

14

14

3 + 4

34

29

4 + 3

11

14

≥4 + 4

4

5

Nodal stage

pN0

38

37

pN1

4

7

pNx

21

18

Resection margin status

R0

47

43

R1

9

17

Rx

7

2

Number of tumor foci

mean ± sd

2.4 ± 1.3

2.6 ± 1.7