Table 1. Pathological data for 240 surgical cases.
| Observation | No. Pts. (%) |
|---|---|
| Pathological stage: | |
| Organ confined | 173 (72) |
| Focal capsular penetration | 30(12) |
| Established capsular penetration | 28(12) |
| Seminal vesicle or lymph node involvement | 9 (4) |
| Tumor location: | |
| Posterior (peripheral zone) | 143(60) |
| Anterior (transition zone) | 58(24) |
| Lateral (peripheral zone) | 6 (2) |
| Anterior and posterior (transitional and peripheral zones) | 33(14) |
| Tumor vol. (cm.3): | |
| Lees than 0.2 | 43(18) |
| More than 0.2–0.5 or less | 37 (15) |
| More than 0.5–less than 1.0 | 51 (21) |
| 1.0–Less than 4.0 | 98(41) |
| 4.0 or More | 11 (5) |
| Gleason score: | |
| 3–4 | 12 (5) |
| 5–6 | 160 (67) |
| 7 | 60(35) |
| 8–9 | 8 (3) |