Table 2.

Pathologic characteristics in 77 patients with tumor maps

Tumor location
Apex	69 (90%)
Most apical 3 mm of the apex	32 (42%)
Midgland	73 (95%)
Base	44 (57%)
Only in SV	2 (2.6%)
No tumor	1 (1.3%)
Dominant tumor origin zone
Peripheral zone	70 (91%)
Transition zone	3 (3.9%)
SV	2 (2.6%)
No tumor	1 (1.3%)
Unknown	1 (1.3%)
Number of cancer foci	1 (1, 2)
Number of patients with single-cancer foci	47 (61%)
Tumor volume (cm³)	1.4 (0.5, 3.5)
Number of patients with periurethral tumor	53 (69%)
Location of minimum distance between periurethral tumor and urethra (N = 53)
Apex	28 (53%)
Apex and midgland	1 (1.9%)
Midgland	23 (43%)
Base	1 (1.9%)
Laterality
Unilateral	21 (27%)
Bilateral	53 (69%)
Only in SV	2 (2.6%)
No tumor	1 (1.3%)
Pathologic classification
T0	1 (1.3%)
T2	29 (38%)
T3	41 (53%)
T4	6 (7.8%)
EPE	45 (58%)
EPE location (apex vs midgland vs base; N = 45)
Apex	1 (2.2%)
Midgland	4 (8.9%)
Base	16 (36%)
Apex and midgland	2 (4.4%)
Midgland and base	14 (31%)
Apex and midgland and base	5 (11%)
SV	3 (6.7%)
EPE location (anterior vs posterior; N = 45)
Anterior	3 (6.7%)
Posterior	35 (78%)
Anterior and posterior	4 (8.9%)
SV	3 (6.7%)
SVI	32 (42%)
LNI	22 (29%)
PSM	15 (19%)
Type of surgery
Open (N = 68)	11 (73%)
Laparoscopic (N = 7)	2 (13%)
Robotic (N = 2)	2 (13%)
Type of primary therapy
EBRT (N = 48)	8 (53%)
Location of PSM
Apex	5 (63%)
Midgland	1 (13%)
Base	2 (25%)
SV	0 (0%)
Brachytherapy (N = 22)	5 (33%)
Location of PSM
Apex	1 (20%)
Midgland	0 (0%)
Base	2 (40%)
SV	1 (20%)
Unknown	1 (20%)
EBRT and brachytherapy (N = 7)	2 (13%)
Location of PSM
Apex	0 (0%)
Midgland	0 (0%)
Base	1 (50%)
SV	1 (50%)

EBRT = external beam radiation therapy; SV = seminal vesicle; EPE = extraprostatic extension; SVI = seminal vesicle involvement; LNI = lymph node involvement; PSM = positive surgical margin.

All values are median (interquartile range) or frequency (proportion).