Table 3 Cross-tabulation of histology (Gleason score) of primary and secondary tumors on the contralateral lobe to the primary tumor among patients with bilateral multifocal tumors (n = 435)
Primary tumor | Secondary tumor on the lobe contralateral to the primary tumor, n (%) | ||||
|---|---|---|---|---|---|
GS 3 + 3 | GS 3 + 4 | GS 4 + 3 | GS ≥8 | Total | |
GS 3 + 3 | 48 (11) | 15 (3.4) | 1 (0.2) | 1 (0.2) | 65 |
GS 3 + 4 | 149 (34.2) | 92 (21.1) | 8 (1.8) | 3 (0.7) | 252 |
GS 4 + 3 | 42 (9.6) | 26 (6.0) | 4 (0.9) | 1 (0.2) | 73 |
GS ≥8 | 21 (4.8) | 14 (3.2) | 7 (1.6) | 3 (0.7) | 45 |
Total | 256 | 150 | 21 | 8 | 435 |