Table 1.
Perioperative characteristics of two patients who underwent robot‐assisted RN and IVC thrombectomy using hinotori surgical robot system
| Variables | Case 1 | Case 2 |
|---|---|---|
| Age (years) | 67 | 79 |
| Sex | Male | Male |
| Body mass index (kg/m2) | 27.1 | 22.1 |
| ECOG‐PS | 0 | 0 |
| ASA score | II | I |
| History of abdominal surgery | No | No |
| Tumor side | Right | Right |
| Tumor size (mm) | 78 | 106 |
| TNM classification | cT3bN0M0 | cT3bN0M0 |
| Distance of thrombus above the renal vein (mm) | 22 | 4 |
| Level of IVC thrombus | Level II | Level I |
| Presurgical medication | Cabozantinib 20 mg x4weeks | No |
| Surgical approach | Transperitoneal | Transperitoneal |
| Operative time (min) | 228 | 214 |
| Time using robotic system (min) | 158 | 156 |
| Estimated blood loss (mL) | 535 | 200 |
| Blood translation | No | No |
| Open conversion | No | No |
| Postoperative major complication (Clavien‐Dindo ≥3) | No | No |
| Length of postoperative hospital stay (days) | 8 | 10 |
| Resected weight (g) | 595 | 635 |
| Histological subtype | Clear cell RCC | Clear cell RCC |
| pT stage | pT3b | pT3b |
| WHO/ISUP grading | Grade 3 | Grade 4 |
ASA, American Society of Anesthesiologists; ECOG‐PS, Eastern Cooperative Oncology Group Performance Status.