Table 1.

Patient Demographics and Clinical Outcome.

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Patient Demographics
Age (y)/Sex	58/F	61/M	50/F	53/M	53/M
BMI	24.1	23.7	19.9	23.5	20.8
ASA score	2	1	2	1	2
Tumor characteristics
Tumor histology	RCC	RCC	RCC	RCC	RCC
R.E.N.A.L score (R/E/N/A/L)	1/3/3/2	1/3/3/3	1/3/3/3	1/3/3/3	1/3/3/3
Pathologic stage	T1a	T1a	T1a	T1a	T1a
Clinical Outcomes
Conversion surgical modality	NO	NO	NO	NO	NO
(T)ransperitoneal vs (R)etroperitoneal	R	T	T	T	R
Operative time (minutes)	120	105	199	168	221
Warm ischemia time (minutes)	25	27	24	18	23
Estimated intraoperative blood loss (ml)	50	100	80	50	125
Estimated postoperative blood loss (ml)	200	50	20	20	150
Increased creatinine level (mg/dL)	2.2	5.4	3.0	5.0	3.5
Complications Clavien grade ≥ II	0	0	0	0	0
Tumor margin status	negative	negative	negative	negative	negative
Three-dimensional model deviation (cm)(tumor model size/ tumor size)	0.1(3/2.9)	0.4(3.2/2.8)	0.1(3.6/3.7)	0.1(2.1/2.0)	0.3(2.8/2.5)

^*ASA, American Society of Anesthesiologists; BMI, body mass index; RCC = renal cell carcinoma.