Table 1 Clinicopathologic characteristics of 61 patients who underwent resection for primary retroperitoneal sarcoma
Characteristics | All Patients (N = 61) |
|---|---|
Male sex, n (%) | 29 (48) |
Median age at resection (range), years | 53 (12–86) |
Median BMI (range) | 25 (16–42) |
Tobacco use, n (%) | 15 (25) |
Tumour entity, n (%) | |
 Leiomyosarcoma | 19 (31) |
 Liposarcoma, dedifferentiated | 14 (23) |
 Liposarcoma, well-differentiated | 12 (20) |
 Undifferentiated sarcoma, NOS | 8 (13) |
 Liposarcoma, pleomorphic | 3 (5) |
 Malignant Peripheral Nerve Sheath Tumors | 3 (5) |
 Other | 2 (3) |
Histologic grade, n (%) | |
 Low grade (G1) | 21 (34) |
 Intermediate grade (G2) | 11 (18) |
 High grade (G3) | 29 (48) |
AJCC 8th Ed., n (%) | |
 Stage IA | 2 (3) |
 Stage IB | 17 (28) |
 Stage II | 4 (7) |
 Stage IIIA | 8 (13) |
 Stage IIIB | 25 (41) |
 Stage IV | 5 (8) |
Chemotherapy n (%) | |
 None | 49 (80) |
 Neoadjuvant | 2 (3) |
 Adjuvant | 10 (16) |
Radiotherapy | |
 None | 44 (72) |
 Neoadjuvant | 4 (7) |
 Adjuvant | 13 (21) |
Surgical resection margin | |
 R0 | 33 (54) |
 R1 | 18 (30) |
 R2 | 2 (3) |
 RX / Not stated | 8 (13) |
 Vascular involvement, n (%) | 17 (28) |
 Local recurrence, % | 25 (41) |
ASA physical status, % | |
 I | 12 (20) |
 II | 32 (52) |
 III | 14 (23) |
 IV | 3 (5) |
Need for intraoperative transfusions, n (%) | |
 No red blood cell concentrate | 32 (52) |
 1–2 red blood cell concentrate | 13 (21) |
 ≥ 3 red blood cell concentrate | 16 (26) |
 90-day morbidity / Clavien-Dindo ≥3, n (%) | 19 (31) |
 90-day Mortality, n (%) | 2 (3) |