Table 1.

Patient and tumor characteristics of the study cohort (n = 9)

Patient No.	Age (Years)	Kidney Anomaly	Sex	Symptoms	Tumor Location	Tumor Size (cm)	Tumor R.E.N.A.L. Score	Tumor Histology	Tumor Stage	Surgical Margins
1	53	HK	Male	Hematuria	Upper pole	4.8	NA	UC	TaN0M0	Negative
2	47	HK	Female	Abdominal mass	Renal hilum and adjacent kidney	30	NA	Well-differentiated liposarcoma	NA	Positive
3	52	HK	Male	Incidental	Lower pole	3.6	6×	Unclassified RCC	T1aNxM0	Negative
4	58	HK	Male	Incidental	Lower pole abutting isthmus	4.5	10a	Clear cell RCC	T1bNxM0	Negative
5	75	HK	Female	Hematuria	Upper pole	2	NA	UC	T2NxM0	Negative
6	75	CFE	Male	Incidental	Lower pole	8.5	10p	Papillary type 1 RCC	T2aNxM0	Negative
7	41	HK	Male	Incidental	Upper pole	3	NA*	Clear cell RCC	T1aNxM0	Negative
8	55	HK	Male	Incidental	Lower pole	8	10a	Clear cell RCC	T2aN0M0	Negative
9	56	CFE	Male	Incidental	Upper pole	6.9	9a	Oncocytoma	T1bNxM0	Negative

CFE, crossed fused ectopia; HK, horseshoe kidney; NA, not available; RCC, renal cell carcinoma; UC, urothelial carcinoma.

^*Preoperative axial imaging was not available for nephrometry score calculation.