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Table 1 Baseline information and surgical data

From: Clinical experience with the treatment of retroperitoneal vascular leiomyosarcoma originating from large veins

Item Case 1 Case 2 Case 3 Case 4
Age 33 61 57 55
Sex Female Male Female Male
Main symptom Abdominal pain, palpitation, headache None None None
Past history None HTN, Hyperlipidemia HTN HTN
Renal and adrenal hormone tests Normal Normal Normal Normal
Size (cm) 7.2 4.2 7.7 10.7
Tumor thrombus No No 3 cm in IVC 7 cm in IVC
ASA 2 2 2 2
Approach Retroperitoneal laparoscopic Retroperitoneal laparoscopic (Conversion to open) Retroperitoneal laparoscopic Open
Operation time (min) 467 224 373 256
Blood loss (ml) 300 200 1500 800
Blood transfusion 800 ml RBC 0 2000 ml RBC
1400 ml Plasma
800 ml RBC
Postoperative diagnosis IVC LMS (Middle) RV LMS (Right) IVC LMS (Middle) IVC (Middle) + RV (Right) LMS
Resection margin Negative Negative Negative Negative
Tumor grading (FNCLCC) G1 G2 G1 G2
Post-operative complication Bleeding None None None
 Clavein-Dindo grading 2
Follow-up 16 M, AWR 16 M, AOD 13 M, AOD 21 M, AOD
  1. HTN Hypertension, IVC Inferior vena cava, RV Renal vein, LMS Leiomyosarcoma, AWR Alive with recurrence, AOD Alive without disease