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Table 1 Clinical characteristic of patients

From: Robot-assisted sacral tumor resection: a preliminary study

Case Sex Age- ranges Pre-operative diagnosis Tumor size (cm3)a Adjacent tissues Operative time (min) Blood loss (ml) Post-operative diagnosis Hospitalization (days)
1 F 45-55 Schwannoma 37.7 iliac vessel 60 50 Schwannoma 3
2 F 40-50 Schwannoma 113.0 iliac vessel 90 100 Schwannoma 9
3 F 60-70 Solitary fibroma 39.3 superior rectal artery 100 30 Solitary fibroma 5
4 F 20-30 Schwannoma 433.4 intestine 200 600 Schwannoma 5
5 F 50-60 Chordoma 194.2 ovarian artery 335 750 Chordoma 10
6 F 20-30 Schwannoma 141.4 ureter 80 50 Schwannoma 4
7 M 45-55 Schwannoma 96.3 iliac vessel 90 30 Schwannoma 4
  1. aTumor size = (π/6) × height × width ×depth