TABLE 3.

Treatment and Tumor Burden Characteristics

Characteristic	Data
Age at procedure, median (range), yrs	34 (13–68)
Intervention category, n
Surgery, reoperation	13
Surgery, first operation	2
RFA	4
Disease location per patient, n (%)
Abdominal metastases
Liver	3 (17.6%)
Retroperitoneal	14 (82.4%)
Thoracic metastases	2 (11.8%)
Bony metastases	6 (35.3%)
No. tumors per disease location, n (range)
Abdomen	32 (1–6)
Bone	128 (0–76)
Thoracic	4 (0–3)
Preoperative pharmacotherapy, n (%)*
None†	2 (10.5%)
1 drug	3 (15.8%)
2 drugs	9 (47.4%)
>3 drugs	5 (26.3%)
Postoperative biochemical response, n (%)
Partial biochemical response‡	11 (57.9%)
Complete biochemical remission§	6 (31.6%)

^*Drugs included alpha-blockers, beta-blockers, calcium channel blockers, and metyrosine.

^†Pharmacotherapy refused by a patient.

^‡Partial biochemical response was defined as having at least 1, but not all, biochemical laboratory values returning to the normal range postoperatively.

^§Complete biochemical remission was defined when all indicative laboratory values returned to the normal range postoperatively.